I would like to know how to convert a time (HH:MM S) into a integer (12345. I am trying to convert dateTime object to byte[]. Java 8+ Java 8 provides a better data/time API, so 3rd-party libraries like Joda-Time is no longer required. Well, there you have it. Is there any way to do it?Ex: in Oracle, we have the trunc option. Yep, thanks, that makes it clear: For the very first record, the variable port "epoch_date" is initialised to Jan 1st, 1753. When I search how to convert a UNIX epoch timestamp to a DateTime object only a few of the results are really relevant: a lot of the rest are for the reverse (how to get a UNIX timestamp from a DateTime). Because I have a time series. How can I convert bigint (UNIX timestamp) to datetime in SQL Server ? - Wikitechy. You can also convert milliseconds to date & time and the other way around. If we create it with no argument passed to its constructor, it will contain the current date and time of the user's computer. SimpleDateFormat("dd/MM/yyyy HH:mm:ss"). Type in your own numbers in the form to convert the units! ›› Date difference between calendar days. Convert Strings To Dates. Hi Experts, Dynamically fetching Source time stamp from SFTP sender adapter using. (no of seconds elapsed since 1979-01-01) I used the following two methods. How do I convert this integers to datetime?. If you have ever tried to script out Active Directory reports that included date fields, then you have likely run into this challenge. Notice that this is a different epoch and resolution than the long expected by Date's constructor, which is the number of milliseconds since January 1, 1970, 00:00:00 GMT. When SELinux logs an event to the audit log on my CentOS 6 system, it's logging it in epoch time which makes for a real hassle when trying to troubleshoot. Therefore, the unix time stamp is merely the number of seconds between a particular date and the Unix Epoch. I have data with a time step consists of 18 digits such as 634019142119225390. Learn more about datestr, datenum, epoch. With older versions of GNU date, you can calculate the relative difference to the UTC epoch: date -d '1970-01-01 UTC + 1234567890 seconds' If you need portability, you're out of luck. Here, we can take advantage of a new toInstant() method which was added to java. Not all database operations and drivers support the full 64-bit range. LocalDate from java. Great suggestion Michael. I am converting epoch time to human readable locale specific date. If you already have the datetime object in UTC, you can the timestamp() to get a UTC timestamp. You can do this with the %N formatter. toJavaDate and ultimately CatalystTypeConverter, i. Create Unix timestamp from a. to_i t = Time. You can also convert milliseconds to date & time and the other way around. Random forest classifier. The moment of epoch is usually decided by congruity, or by following conventions understood from the epoch in question. We will again use a map scripting function set to Javascript. I have a question on how to convert EPOCH timestamps, which I receive as char*, into DD. DREDATE has to be defined as a date field. Now Excel will not deal with dates any earlier than 1 Jan 1900. (Python recipe) """ provides the seconds since epoch give a python datetime object. Post subject: Converting UNIX/Epoch time to Date/Time I have a number field coming from a Remedy db that stores a date in Epoch time format. extract the values and convert it individually to SECONDS. So, here’s. Easy epoch/Unix timestamp converter for computer programmers. How to subtract time from a timestamp? How to subtract seconds from a times. fromtimestamp. TheDevBand provides an online epoch/datetime/timestamp converter where you can convert a timestamp to a datetime format and vice versa easily. All examples will be converting the date and time from. If I could get this into another format I can work with, I would. Wondering how to convert time to your user’s local time dynamically? Well, using Java’s getTime() returns the number of milliseconds since January 1, 1970, 00:00:00 GMT represented by this Date object. Unix Epoch is the number of seconds from midnight January 1, 1970 and value is commonly stored in signed 32-bit integer value. Convert Between Datetime Arrays, Numbers, and Text Overview. (no of seconds elapsed since 1979-01-01) I used the following two methods. Refer to the Tokenizer Scala docs for more details on you can first read and convert it into an array of If epoch relative improvement lass than this value. Please note that this post is mainly driven by code examples that show the new API functionality. Getting current epoch time in Perl. convert the character string representing a date (and stored in a character variable) to a numeric value representing a SAS date -> read the character string using a (date) INFORMAT. Unfortunately, I can only seem to get the DATE portion out. This is strange, because it is arguably one of the easiest GUI toolkits to program (at least for UNIX platforms), and therefore suggests itself for user interface prototyping or for quickly providing a user-friendly wrapper around cryptic command-line tools. And in one such case we needed to get Datetime in epoch format, also known as Unix TimeStamp for saving date and time. I am importing some data from an MS SQL table to Scala program. Decimal: import org. From the documentation:. How can I convert them into a Epoch/Unix time by Matlab?. Find more Good Sale and More Promotion for To Date Online Online reviews This really is To Date Online Sale Brand New for your favorite. Me and my fellow developer encountered a scenario to convert epoch time to datetime. I did read this document but not too carefully hence missed. Multi-Color Corp. Charlie * *****/ DECLARE @epoch DATETIME DECLARE @return DATETIME DECLARE @days INT DECLARE @seconds INT. Thank you, the example includes the time zone which is why it might appear longer. force_ascii: bool, default True. I have a column ORDER_DATE with epoch timestamp in string. NET Framework 4. Mr Surendra Anne is from Vijayawada. In this screenshot you can see an example:. I've googled "Unity Epoch time" (as mentioned on one forum posting) and even asked TAC, but no luck. Unix timestamp (or epoch time or Unix time or POSIX time) is the number of seconds that have elapsed since January 1, 1970 00:00 UTC. I plan to use localdatetime throughout my program and then place that date into a mysql database. Converting unix epoch to datetime in streaming analytics you can correct this by modifying the input so its strips the quotes from the epoch { "Key": "Dryer. This tool converts your hex timestamp/epoch to a normal date. 🔘 The difference needs to be in Epoch Time format. Hive Date Functions. Converts Date in milliseconds (ms) and calculate the differences between two dates, with following rules : 1000 milliseconds = 1 second 60 seconds = 1 minute 60 minutes = 1 hour 24 hours. The Crossword Solver finds answers to American-style crosswords, British-style crosswords, general knowledge crosswords and cryptic crossword puzzles. Epoch is useful in computer programming because we can use it to compare dates mathematically which helps us write programming logic with it by converting a human-readable date format into its equivalent in epoch. Commonly used functions available for DataFrame operations. Well, that’s simple: We can convert from a Date type to the Instant type, which is a representation of the time since the epoch of 1 January 1970, and then we can instantiate a LocalDateTime. Method 1: Passing the seconds to a date object. scala import java. The Unix epoch started at 00:00:00 UTC on Thursday, January 1, 1970. I am trying to convert it to a human readable format which should return 30/01/2018 6:00:00 PM in GMT. The query below adds 0 seconds to the epoch (1970-01-01T00:00:00Z) and returns a timestamp. Decimal: import org. // Example of a UNIX timestamp for 11-29-2013 4:58:30 double timestamp = 1385701110; // Format our new DateTime object to start at the UNIX Epoch System. We have a database that stores a UNIX epoch value in a BIGINT field. Want to minus one hour from epoch time. Welcome to LinuxQuestions. Java Examples: Date and Time - Subtracting Time From A Timestamp. Hi, Hope I'm in the right section and will form the right question. Checks if this date is equal to another date. I plan to use localdatetime throughout my program and then place that date into a mysql database. Ask Question I have read Convert seconds since epoch to joda DateTime in Scala but can't apply it successfully. It contains date and time stamps Is there a simple way for me to convert and extract the date and time from the cdfepoch object ( data_import(:,1) ) and replace them into column 1? I am trying to plot data over time, cant seem to do this easily. Timezone which represents timezone and Java also has classes like SimpleDateFormat which can use Time zone while parsing or formatting dates. Solved: Hi, i am having issues converting the time in Unix time (60*60*24) to date time. I need to compare it to a date field using the 'DaysBetween(' function. Date and java. Find more Best Low Price and More Promotion for Convert Epoch Time To Date Time Online Reviews Convert Epoch Time To Date Time Online This might be Convert Epoch Time To Date Time Online Sale Brand New for the favorite. Convert string date into TimestampType in Spark SQL. read_csv() To turn a CSV file into a dataframe we can use pandas. The moment of epoch is usually decided by congruity, or by following conventions understood from the epoch in question. Converting unix epoch to datetime in streaming analytics you can correct this by modifying the input so its strips the quotes from the epoch { "Key": "Dryer. A demonstration is preferable (e. They're written in Scala, but are easily converted to Java. To get a cheap price or large amount. The month number can be converted into a month name by using PHP functions. Points: 2849. Note that a 32-bit signed integer using 1970-1-1 as its epoch can represent dates up to 2038-1-19, on which date it will wrap around to 1901-12-13. Milliseconds to date converter helps you to find the date and time from a given total number of milliseconds. The epoch time is also called as Unix time and this counts starts at the Unix Epoch on January 1st, 1970 at UTC. The date given is a Gregorian calendar date if it is October 15, 1582, or later, but a Julian calendar date if it is earlier. (Subset of) Standard Functions for Date and Time; Name Description; current_date. For Ex:- In Cell A1 I have this 1434914184 epoch date so which formula will work to convert it into date format. I think I'm correct in saying that UNIX time is the number of seconds that has elapsed since 1/1/1970. I have data with a time step consists of 18 digits such as 634019142119225390. Java 8+ Java 8 provides a better data/time API, so 3rd-party libraries like Joda-Time is no longer required. Let's start with converting the old date representation to the new one. NET application. November 7, 2012 at 3:34 pm #270566. From the documentation:. One more selection for your internet shopping. Example C routine using STRFTIME. Time returns an integer with the current epoch: time Converting from epoch to normal date in Perl. The same method is also useful if you ever have to convert MS Excel dates that are coming across in the serial format. Date to java. com TimeLib just slightly more suitable to handle the epoch time (which is a 32-bit unsigned long defined as 'time_t'). Convert date to timestamp. I was hoping someone has some example to convert a Human time & date values to a number of seconds from an epoch moment. GitHub Gist: instantly share code, notes, and snippets. Thank you so much for that response. At that time, I even need to build java/scala package by myself, upload and run it. Here are 2 ways to convert it to readable time. datetime values have flexible display formats and up to nanosecond precision, and can account for time zones, daylight saving time, and leap seconds. This article show how you can obtain the UNIX epoch time (number of seconds since 1970-01-01 00:00:00 UTC) using the Linux bash "date" command. You may also want to find out how many days are between two dates on the calendar. The problem came when I needed to convert each date/time to a Unix epoch timestamp (The number of seconds since 1/1/1970). Can anyone help me how to convert Unix Ephoc time to actual time, this is is because i need to calculate the days difference between two ephoc date fields. This example transforms each line in the CSV to a Map with form header-name -> data-value. Using the internal localtime or gmtime functions, localtime and gmtime return an array:. I found several ways to do the opposite, but found nothing helpful on how to achieve this. And I need to account for. A DATETIME can only hold * dates up until 9999-12-31 so we are well covered for scale. For Ex:- In Cell A1 I have this 1434914184 epoch date so which formula will work to convert it into date format. Therefore, the unix time is merely the number of seconds between a particular date and the Unix Epoch. SimpleDateFormat("dd/MM/yyyy HH:mm:ss"). It uses smallint. Creates A DB2 UDF In C Language For Converting Unix Epoch Time To User-friendly Date Format. Answer: Use a calculated column with the following expression in Spotfire, where [EPOCH] is the name of the column in this example that is to be converted:. In this tutorial we will go over simple simple steps on how to convert current time to Epoch time. convert Strings to Dates and Timestamps and vice versa. Scala Classico Men's Wool Felt Bowler Hat, Black, Large. Convert String To. DATEADD(s,[epoch date],'1970-01-01') To convert that to CST I am not sure if I need to use. They only use the Java Date and SimpleDateFormat classes: import java. So far I can only add a new field with the content of "@timestamp". How do you apply this power query? do you just 'Insert Step After' in the Applied Steps and add the query there? I did this and changed [Epoch] to my column name but it errored out. Date from java. on mouseUp put "January 1," && the last word of the long date into firstDayofYear --append current year convert firstDayofYear to seconds -- from Jan 1, 1970 to first day of this year put the long date into currentDay convert currentDay to seconds -- from Jan 1, 1970 GMT to today put currentDay - firstDayofYear into totalSeconds answer the. /* following variable holds epoch time value (in seconds) */. 000') and DateTime into epoch. Hello EE, I need help converting epoch time to human date in excel or access. The first argument is the DateTime object on which the function is to be applied. A demonstration is preferable (e. You will get Convert Epoch Date cheap price after look at the price. What is a good way to create a new column that represents the long value for the datetime column? The long would represent a number of seconds. Hi, I have a database with one of the fields "Receiveddata" in format like: 1014937200 1025521200 etc In Epoch Converter we have. For detailed introduction to the FORMAT string, check the manual. This site provides the current time in milliseconds elapsed since the UNIX epoch (Jan 1, 1970) as well as in other common formats including local / UTC time comparisons. The reason that if the date key in the fact table is a date-type field,then any SQL query can directly constrain on the fact table date key and use natural SQL date semantics to filter on month or year while avoiding a supposedly expensive join. sparklinedata:spark-datetime_2. I really need help in figuring out how to convert a standard date/time to an epoch date/time format. I am trying to convert it to a human readable format which should return 30/01/2018 6:00:00 PM in GMT. Then once I find the logs for that file I want to be able to search those logs for any that have a 'Date Added' date that is [email protected] Any advice please? I'd like to have only the three first letters of the month and the day, not as it appears in Variable Convert. mitabrev April 10, 2017, 7:08am #1. These time values can easily be converted into ABL DATE or DATETIME values using the following code: /* following variable is initialized to base unix epoch time value */ DEFINE VARIABLE vDateOrDateTime AS DATETIME NO-UNDO INITIAL 1/1/1970. This can be done by converting date as string into timestamp (including time zone) using unix_timestamp and casting it as TimestampType, see example below. Thankfully, Python comes with the built-in module datetime for dealing with dates and times. Method 1: Passing the seconds to a date object. ofEpochSecond(seconds), ZoneOffset. All examples will be converting the date and time from. Time returns an integer with the current epoch: time Converting from epoch to normal date in Perl. So the command I have is:. A question about how to get the "C style representation" out of a DateTime came over an internal alias recently. number of seconds) timestamp to a PostgreSQL timestamp. You can also convert milliseconds to date & time and the other way around. I've tried a couple of methods to convert it, but they don't work well. Convert Unix hexadecimal timestamp to human-readable date. Hi, I want to convert below timestamp to date in Oracle. Any assistance is appreciated!-James. Use this page to learn how to convert between weeks and milliseconds. toString etc, but it's easy to have one single entry point. You are currently viewing LQ as a guest. I'm currently working on a thing I needed this feature for. Create Unix timestamp from a. how to convert date field into UTC format (2019-10-29T19:20:30. The following example returns the current date including the time. The number of decimal places to use when encoding floating point values. Machine Learning Deep Learning Python Statistics Scala PostgreSQL Command Line Regular Expressions Mathematics AWS Computer Science. force_ascii: bool, default True. A DateTime calculates its fields with respect to a time zone. In the second part we convert java. Today we’re working with crazy dates in Active Directory PowerShell. then the new time will be 050000. A list of frequently-asked questions about Scala language features and their answers. How to Convert Timestamp String to Unix Time (Epoch) in Java Unix time (AKA POSIX time or Epoch time) is defined as the number of seconds that have elapsed since January 1st 1970. Enter date and time information into the text fields, and select the Convert button. How can I convert a given date in to epoch or UNIX time format which are in seconds using a Linux Shell script? date to epoch seconds can be achieved by using date command. ToDateTime(String), DateTime. How to convert the time zone of a pandas column/series in Python. net C# and using Jquery with Ajax for retrieving data but medium is used name as JSON. I have tried to convert it with the formula H2/86400+25569 which I got from the OpenOffice forum. Scala does not have a datetime package, but we can use the ones provided by Java. 45Z) this is the value from the date field that i am getting = 10-29-2019 02:32. I need to import a flat file into a simple table. 1) The question doesn't actually provide a standard epoch time. How I convert EPOCH Time to Normal time and show it in Excel 2007? I have the formula but when I get the Excel time in Number Format and want to use a Time or Date format all I get is a bunch of ## characters and no matter how big I make the cell I do not get any result. The simple answer is to convert the date into milliseconds since Epoch and add the timezone offset and convert it back to a date object. The unix time stamp is a way to track time as a running total of seconds. sparklinedata:spark-datetime_2. I am using the DATEADD function to convert my epoch date format to human readable format. Having time in a numerical format can be very useful. Several date to millisecond calculators, useful when coding countdown timers, cookie expiration settings or other date related scripts. There are many options: 1. How to convert the time zone of a pandas column/series in Python. SimpleDateFormat import java. Calendar) 17. When the calculated milliseconds are converted back to a date, you get a local date. Date and back to java. Then I thought I will convert time. If you were to convert a date in Excel it would come back with a number, each whole number is the number of days from 1 Jan 1900 (which if you convert comes out as 1, 2 Jan 1900 as 2 etc. This tool uses python pytz and datetime libraries for conversion and runs on serverside. new() Constructor of the formatter. Date of Row returned to user. %N expands to nanoseconds, and then you can just truncate that by using %3N. The moment of epoch is usually decided by congruity, or by following conventions understood from the epoch in question. The first argument is the DateTime object on which the function is to be applied. to Epoch seconds. Our software and services protect against more risks at more points, more completely and efficiently, enabling confidence wherever information is used or stored. I think, MSSQL 2012 & above has FORMAT() function which can achieve this, but how to format the same in 2008, to date formats that contains characters other than dd,mm,yyyy like for instance. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. I'm trying to convert a string into epoch time and do the minus. The count begins at the "Unix Epoch" on January 1st, 1970, so a Unix time stamp is simply the total seconds between any given date and the Unix Epoch. Great suggestion Michael. An online tool to convert back and forth between a unix timestamp and local human readable time. Motivation. Convert UNIX epoch to local time. It is the number of seconds that have elapsed since 00:00:00 Thursday, 1 January 1970, Coordinated Universal Time (UTC), minus leap seconds. How to get different SQL Server date formats. I want to use the "date/time" string as an input to the script, eg: scriptname. Convert Epoch Unix Time to Normal Date and Time in Matlab Suppose, you start with a vector time_unix, then: time_unix = 1339116554872;. Me and my fellow developer encountered a scenario to convert epoch time to datetime. Convert timepicker token to epoch time for eval, regardless of timepicker combination 0 Answers. * Dates are exposed externally as java. Convert Datetime Received in JSON to a. Join GitHub today. If all you needed to know was how to construct a timestamp with the current date and time, that may be all you need. Date Thanks In Advance. We will again use a map scripting function set to Javascript. maybe it is a duplicated question, I tried to find a solution but no way. Converts column to timestamp type (with an optional timestamp format) unix_timestamp. 351 Please help me on the same. You can also convert milliseconds to date & time and the other way around. this will provide me the days since 1970-01-01. Kiyoto, Yes, the squid3 logs look something like this. HIVE Date Functions from_unixtime: This function converts the number of seconds from unix epoch (1970-01-01 00:00:00 UTC) to a STRING that represents the TIMESTAMP of that moment in the current system time zone in the format of "1970-01-01 00:00:00". January 1, 1970 - 12:00am UTC. The "epoch" serves as a reference point from which time is measured. Question: I need to convert readable date and time to a corresponding UNIX timestamp (i. Welcome to LinuxQuestions. The only time you can format with a POSIX shell command (without doing the calculation yourself) line is the current time. Well, there you have it. I think that I am supposed to use some combination of strptime and strftime but I can't figure it you. Now convert numeric data types of eopch time to datetime. TimeStamp to match with database date, time and date-time types, you cannot pass a java. DBConnect changing the date column value automatically to wrong date 1 Answer. The second option is to set the local_epoch parameter to a true value. Post subject: Converting UNIX/Epoch time to Date/Time I have a number field coming from a Remedy db that stores a date in Epoch time format. Ticks to javascript date in javascript or jquery? JavaScript uses microtime, which is the Unix epoch in milliseconds. scala import java. {CalendarInterval, UTF8String} /** * Helper functions for converting between internal and external date and time representations. Number of seconds in a day = 60*60*24 = 86400s Therefore you should be able to convert from one to the other by converting from seconds to days, and then adding on the 70…. Then I have to convert the time in the fields to IST. I have tried to convert it with the formula H2/86400+25569 which I got from the OpenOffice forum. On systems where date and time are important in the human sense, software will nearly always convert this internal number into a date and time representing a human calendar. This is passed to the converter subsystem which is responsible for converting the object to one acceptable to Joda-Time. Firstly Thanks everyone for the response. It is in the format yyyy-mm-dd and continuously gives me errors. The software keeps dates in epoch (seconds since midnight on a particular date (not sure what date, either. Converts column to timestamp type (with an optional timestamp format) unix_timestamp. Epoch time converter (epoch time calculator) allows to convert time in seconds, millis or micros since the beginning of epoch to date and time in various formats and visa verse. convert from date string to epoch. Convert UNIX epoch to local time. The exact epoch used in format_datetime will then depend on the timezone of the object you pass to format_datetime. Buy at this store. There are two functions to convert the given month number into month name. Getting current epoch time in Perl. This online service is converting Unix epoch time to human readable date/time format and vice versa. Example C routine using STRFTIME. Known issues are forming Scala collections and leveraging default values. I am importing some data from an MS SQL table to Scala program. read the last half hour's worth of logs). Important Note:- To convert the 4 digit’s Julian date into calendar date we have to convert Julian date into text format. Can anyone provide a sample code that would convert a human readable date like 2019-10-27 22:10:35 to a unix timestamp like 1572214235? I found many topics about it, but they eider refer to out of. It is used in various places, especially in POSIX systems such as Unix, Linux, BSD, etc. 1419409823. For example, you could convert the time to an epoch and subtract it from another epoch value to quickly determine the difference. The Eunuchs epoch is 1/1/1970, so if you have the number of seconds since then it would be. Your second attempt was close, just need to tell the date command to add milliseconds to the end. GitHub Gist: instantly share code, notes, and snippets. That’s why there are several utility methods through which we can convert Legacy classes to new classes and vice versa. (Subset of) Standard Functions for Date and Time; Name Description; current_date. I think that I am supposed to use some combination of strptime and strftime but I can't figure it you. Date Object to a java. Converting from a standard Date/Time to the Unix Epoch date format Converting from a standard date format to Unix Epoch time is relatively simple, because there is a prebuilt javascript function to do just that: Date. But for some reason it didn't work. How to convert column type from str to date in sparksql when the format is not yyyy-mm-dd? How can I convert this column type to a date inside sql? I tried to do. Date objects are created with the Date() constructor. Almost give up how to convert date to epoch, i already try this code but the result is not what i expected: Private Sub ConvertDateToEpoch(day As. 000') and DateTime into epoch. MS SQL table has around 20 fields so I am making a class to load those rows in my Scala program. One more option for your internet shopping. The Unix Epoch is the starting point created as a universal reference. ctime(et) which gives me a string of something like "Fri Oct 5 22:20:33 2012 ". It can convert the UNIX Epoch timestamp into a human readable date/time format. Within this post we will have a deeper look into the new Date/Time API we get with Java 8 (). Awk - convert epoch to date in the same file. In the first part of the code snippet we convert java. Date and milliseconds. We would recommend this store for you. If you have not installed Spark, follow the page below to install it: Install Big Data Tools (Spark, Zeppelin, Hadoop) in Windows for Learning and Practice. Hi, We have an incoming data file containing field values as below. So far, I've used time. FREE Shipping by Amazon. GitHub Gist: instantly share code, notes, and snippets. I have a datset with time and column. I'd like to convert an epoch time stamp (eg, et =1351036517. Here are a couple of "string to date" and "date to string" methods. Date object. Does anyone know when Oracle plans on adding a built-in function to handle epoch time conversion (both converting to and from)? We have quite a few entries that are given in epoch, and we have had to create JAVA functions. Decimal: import org. You would have to use the Time::Local module from CPAN. How to Convert Timestamp to Date Format in Oracle. If you can read the epoch time format and know the actual human readable date and time, you're a better person than I am (or you've been looking at Nagios, Linux, or Unix log files too long). For anything to String conversion you can just use one of the many String. Calendar class if you need to extract year. It is the number of seconds that have elapsed since 00:00:00 Thursday, 1 January 1970, Coordinated Universal Time (UTC), minus leap seconds. Sample using the value from your comment:. Since I wanted to represent the correct date and time in Excel, I began looking around for a formula. I've googled "Unity Epoch time" (as mentioned on one forum posting) and even asked TAC, but no luck. In the last example, we learned how to convert Date to String in Java. * to the epoch to achieve the date * * A SQL INT is a 4 byte signed integer so the maximum number of days will * be 2,147,483,647 which is 5,879,489 years. To my dismay, the field's value was a string in Unix epoch time - a value representing the number of seconds since January 1, 1970. Convert Between Datetime Arrays, Numbers, and Text Overview. How do I get the correct unix timestamp from PostgreSQL? When comparing to currenttimestamp. now(ZoneOffset. With older versions of GNU date, you can calculate the relative difference to the UTC epoch: date -d '1970-01-01 UTC + 1234567890 seconds' If you need portability, you're out of luck. Use a long for your epoch as in: void epoch_to_date_time(date_time_t* date_time,unsigned long epoch) as unsigned is only guaranteed to range form 0 to at least 65535 which is insufficient here. Among the many updates to. Saurabh, I believe the epoch time value will be a number, i.