Convert epoch seconds to milliseconds java I would also like to be able to get the number of milliseconds from 1970-01-01 UTC to any other UTC date time. time package in Java 8 brought a more robust and user - friendly API for handling date and time operations. An Instant represents a point on the timeline in the UTC timezone: Feb 10, 2020 · In Java 8, we can use Instant. Overview In this quick tutorial, we’ll illustrate multiple ways of converting time into Unix-epoch milliseconds in Java. Date to Instant using toInstant() method, and then get the numerical values from it: Instant instant = date. parseLong(date)); EDIT: as per rde6173 's answer and taking a closer look at the input specified in the question , "1081157732" appears to be a seconds-based epoch value so you'd want to multiply the long from parseLong () by 1000 to convert to milliseconds, which is what Java's Date constructor uses, so: Learn how to convert epoch time to dates in Java using various methods, explore practical examples, and understand time conversion techniques for Java developers. So any date is the number of milliseconds passed since January 1, 1970, 00:00:00 GMT and the Date class provides a constructor which can be used to create a Date from milliseconds. We will see different ways to get the current epoch timestamp in seconds and milliseconds of precision in Java and Java 8. Converting these non - integer epoch timestamps to a human - readable Java string is a common requirement in software Apr 12, 2019 · You are using an Instant to get that milliseconds representation. Nov 16, 2023 · When working with time and duration calculations in Java, the TimeUnit enum provides a convenient way to perform time conversions between different units. Date` class is a traditional way to represent a specific instant in time. I've seen a lot of other questions that utilize SimpleDateFormat to change the timezone, but I'm not sure how to get the time into a SimpleDateFormat, so far I've only figured out how to get it into a string or a date. The Unix epoch is also called Unix time, POSIX time, or Unix timestamp. Epoch) to time of format h:m:s:ms. Convert Aug 13, 2012 · Thanks. It denotes the number of seconds that have elapsed since January 1, 1970. Converting this epoch value to a human - readable date while considering different timezones is a common requirement in many In this Java core tutorial we learn how to convert an epoch milliseconds value to a LocalDateTime object using date time API in Java programming language. Dec 24, 2015 · Date expiry = new Date(Long. Apr 11, 2015 · Closed 10 years ago. Date myDate = new Date(startDateLong) What is the equivalent in Java 8's LocalDate / LocalDateTime classes? I am interested in converting the point in time represented by the long to a LocalDate in my current local timezone. What is Unix Epoch? The Unix epoch is the number of seconds that have elapsed since January 1, 1970 at midnight UTC time minus the leap seconds. Dec 30, 2012 · 34 I want to convert milliseconds to seconds (for example 1500ms to 1. Q: Can I convert epoch time back to a human-readable date in Java? A: Yes, you can. 1320105600 I need to convert that seconds into date and time in below format. 5s) with as much precision as possible. Don’t hardcode the Z as a literal in the format pattern string. Jan 8, 2024 · 1. Date` object can be useful in many Jul 11, 2025 · The Date class in Java internally stores Date in milliseconds. In this tutorial, we’ll look at Oct 16, 2025 · A: Epoch time in seconds represents the number of seconds that have elapsed since the epoch, while epoch time in milliseconds represents the number of milliseconds. currentTimeMillis () returns just that, a UNIX timestamp in milliseconds - UNIX timestamps will often be measured in seconds as well (but System. Date date2 = new Date(); Long time2 = (long) (((((date2. An epoch time represents the number of seconds (or milliseconds) since January 1, 1970, UTC, and can be easily transformed into various date formats using the LocalDateTime or ZonedDateTime classes. The `LocalDateTime` class, introduced in Java 8 as part of the Java Date and Time API (JSR-310), provides a simple and effective way to represent a date and time without a time - zone information. This blog In this Java core tutorial we learn how to convert an epoch milliseconds value to a LocalDate object using date time API in Java programming language. It is a widely used standard for representing timestamps in various programming languages and systems. Mar 9, 2009 · How to convert Milliseconds to "X mins, x seconds" in Java? Asked 16 years, 8 months ago Modified 1 year, 7 months ago Viewed 686k times In this tutorial, we covered how to work with time in milliseconds in Java, including getting current time, converting it to Date, and manipulating time using Java 8's new APIs. This blog post will guide Supports timestamps in seconds, milliseconds, microseconds and nanoseconds. How to convert Epoch Milliseconds to LocalDateTime in Java Epoch seconds is the number of milliseconds from 1970-01-01T00:00:00Z. It is a widely used timestamp format in various systems and programming languages. In Java, converting epoch time to a human - readable date is a common requirement, especially when dealing with data sources that provide timestamps in epoch format. And various systems track time since epoch using whole seconds, milliseconds, microseconds, and nanoseconds. But if you insist you can get a count of milliseconds from the epoch of first moment of 1970 in UTC (1970-01-01T00:00:00) through the Instant class. 1. Since it stores milliseconds the accuracy of the exact time increases. Epoch and unix timestamp converter for developers. Given a timestamp in milliseconds, i want to convert it to an timestamp in seconds. getNano(); Unfortunately, the total Aug 20, 2022 · Conversion of Instant to Millisecond & vice-versa : There are 2 methods available in an Instant for conversion of Instant to Millisecond and vice-versa, toEpochMilli () – converts invoking instant to the number of milliseconds from the epoch of 1970-01-01T00:00:00Z ofEpochMilli (epochMilli) – gets an instance of Instant using milliseconds from the epoch of 1970-01-01T00:00:00Z 1. e. toLocalDateTime(); P. I am trying to convert a long value (number of milliseconds elapsed from 1/1/1970 i. toInstant(); long secondsSinceEpoch = instant. The long value I use as timestamp, I get from the field timestamp of a log Convert timestamp to date or date to timestamp easily. ) and in epoch (at least two dozen in by various computer systems). So for example, I have this bit of code. I'm trying to find out whether there is a clean or minimal approach that does not requ Feb 4, 2024 · In computer science, Unix timestamp, also known as epoch time, is a standard way to represent a particular point in time. In Java 8, the new java. Learn how to convert timestamp to date in Python, PHP, JavaScript, Bash, Oct 16, 2025 · Epoch time, also known as Unix time, is the number of seconds that have elapsed since January 1, 1970, at 00:00:00 UTC. This returned milliseconds is used to get the different time units like seconds, etc by conversion. In many real - world scenarios, you may encounter non - integer epoch timestamps, such as timestamps with millisecond precision (fractions of a second). Dec 31, 2023 · Find epoch time in Convert Date and time to milliseconds Convert epoch time to LocalDate and LocalDateTime # How to get Epoch time or Unix timestamp in java? Epoch time is a number of seconds that already passed since 1970 January 1 UTC. Oct 16, 2025 · Epoch time, also known as Unix time, is the number of seconds that have elapsed since January 1, 1970, at 00:00:00 UTC. Following is a table that unifies these concepts: Feb 21, 2018 · And uppercase S is the milliseconds field, while the seconds are represented by lowercase s. systemDefault()). Core Java 2. toLocalDate(); Epoch time to LocalDateTime LocalDateTime ldt = Instant. getEpochSecond(); int nanoSeconds = instant. Supports milliseconds, timezones, and reverse conversion. Converting epoch milliseconds to LocalDate or LocalDateTime is a common requirement when working with time-based data. Using Date Firstly, let’s define a millis property holding a random value of Oct 11, 2015 · I have seconds since 1970 january 1 UTC (Epoch time). " + 500 % 1000); isn't the best way to do it: I'm looking for a way to get the remainder from a division operation so I could simply add the remainder on. Converting this epoch timestamp into a human - readable string format is often necessary for displaying timestamps in user interfaces, logging events, or data processing. Now, the epoch time is based on the "1970-01-01T00:00:00Z" so you should not have the zone in it. Dec 28, 2017 · You should convert the String into a Date and then obtain the milliseconds. One common operation is converting an Instant object to an epoch timestamp. Out of curiosity, does the API require any number of seconds? Or seconds from a particular epoch? Because if it will accept and work with any int of seconds, just take the seconds value from your date variable. In Java, the `java. Using Java as an example, System. Nov 28, 2018 · The ofEpochMilli () method of Instant class helps to get an Instant using milliseconds passed as parameter from the epoch of 1970-01-01T00:00:00Z. 5s, or 500ms to 0. In this tutorial, we’ll shed light on how to convert a classic date into a Unix timestamp. Nov 8, 2023 · This code snippet demonstrates how to convert an Epoch time (represented as the number of seconds since January 1, 1970) to a LocalDate object in Java. In the basic ISO 8601 format you still need a decimal mark (comma or dot) before the milliseconds. Oct 16, 2025 · Q2: What is the difference between epoch seconds and epoch milliseconds? Epoch seconds represent the number of seconds that have elapsed since January 1, 1970, at 00:00:00 UTC, while epoch milliseconds represent the number of milliseconds. On systems where the representation of Unix time is as a signed 32-bit number, the representation will end after 2 Mar 28, 2018 · What exactly is "nano/epoch format"? Is just the numerical value for the number of nanoseconds since unix epoch? If that's the case, you can convert the java. An Instant represents a specific point on the timeline, while an epoch is the number of milliseconds or Oct 16, 2025 · In Java, dealing with dates and times can be quite challenging, especially when you need to convert epoch timestamps to dates with specific timezones. 2 days ago · Wikipedia article What is unix/epoch time? Unix time, or epoch time, is a convention for describing a point in time. First, we’ll explore how to do this using built-in JDK methods. Includes epoch explanation and conversion syntax in various programming languages. Nov 19, 2024 · November 19, 2024 : Learn how to convert milliseconds to minutes and seconds in Java with practical examples, time conversion formulas & code snippets. Double. The code initializes a long variable named epochTime with an example Epoch time value of 1677648000. Sep 1, 2019 · This page will provide examples to convert between Java LocalDate and epoch. I want the number of milliseconds currently on the clock. Apr 10, 2014 · How do I extract the epoch value to Long from instances of LocalDateTime or LocalDate? I've tried the following, but it gives me other results: LocalDateTime time = LocalDateTime. To convert a String into a Date and vice versa you should use SimpleDateFormat class. How to convert Epoch Milliseconds to LocalDate in Java Epoch seconds is the number of milliseconds from 1970-01-01T00:00:00Z. util. An epoch is an instant in time used as an origin of particular calendar era. If you want to create a ZoneDateTime from the epoch value, you can simply create an Instant at that epoch time and then create a ZonedDateTime with the zone you wish : Oct 16, 2025 · In Java, dealing with date and time is a common task in many applications. Converting epoch time to a `java. Jul 24, 2016 · I need to get the number of milliseconds from 1970-01-01 UTC until now UTC in Java. A common requirement in programs is getting the number of seconds, milliseconds, or nanoseconds since the Unix epoch. atZone() to convert the epoch time in milliseconds back to LocalDate or LocalDateTime Epoch time to LocalDate LocalDate ld = Instant. ofEpochMilli(). java. atZone(ZoneId. parse("04. Prior to java8, Used System class to get Epoch time, Jan 1, 2001 · Easy epoch/Unix timestamp converter for computer programmers. time package accept epoch seconds, while others accept epoch milliseconds. Now java usually stores Date in a typical fashion such that the number of milliseconds passed since 1 Jan 1970 in a long data type. The introduction of the java. 201 Note, I do NOT want millis from epoch. It is the number of seconds that have elapsed since the Unix epoch, that is the time 00:00:00 UTC on 1 January 1970, minus leap seconds. Here’s how to do it in Java. And SimpleDateFormat 's design doesn't help: the class simply tries to parse the string, even if the month field (MM) appears twice in your pattern, while the minutes field doesn't appear (and it's set to a default value of zero - all behind the scenes The epoch-seconds are measured from the standard Java epoch of 1970-01-01T00:00:00Z where instants after the epoch have positive values, and earlier instants have negative values. 1 day ago · Convert Unix timestamps to human-readable dates and times with our fast, accurate epoch converter. Oct 21, 2014 · The beginning of 1970 UTC is common, but certainly not the only epoch in current use. Friday,November 4,2011 5:00,AM How can I achieve this? Oct 17, 2024 · Learn how Java's Instant. time has been backported to Java 6 and 7 in ThreeTen Backport. Jul 31, 2024 · Learn how to convert from Java's LocalDate to Epoch and vice versa. 02. I'm trying to standardize time stamp format for my project, where the source reports in microsecond precision. toEpochMilli () method converts this instant to the number of milliseconds from the epoch of 1970-01-01T00:00:00Z. Jul 14, 2011 · Also such counts are ambiguous, in granularity (whole seconds, milli, micro, nano, etc. The package view of the method is as follows: Jul 8, 2015 · I'm trying to convert a millisecond time (milliseconds since Jan 1 1970) to a time in UTC in Java. Whether we want to convert seconds to minutes, milliseconds to hours, or perform any other time unit conversion, we can use TimeUnit to simplify the code, get accurate results, and make things more readable. ofEpochMilli () converts epoch milliseconds into a human-readable timestamp. Epoch time, also known as Unix time, is the number of seconds that have elapsed since January 1, 1970, at 00:00:00 UTC. Instant are not zone based. time package provides classes like LocalDate and LocalDateTime to handle date and time in a more flexible way. Oct 16, 2025 · In the realm of Java programming, dealing with timestamps is a common task. Instant. On the other hand, the epoch time is the number of milliseconds that have elapsed since January 1, 1970, 00:00:00 UTC Jul 23, 2025 · Java uses date and time class after the release of version java 8 to store the date and time. Then, we’ll illustrate how to achieve Oct 16, 2025 · In Java, dealing with dates and times has evolved significantly over the years. S Epoch time is the Introduction Epoch time, also known as Unix time, is the number of milliseconds that have elapsed since January 1, 1970 (midnight UTC). Date and Calendar Java 8’s Date and Time API Joda-Time library 2. Jul 18, 2011 · The most important thing to keep in mind when converting between the two is that Unix APIs tend to use seconds since the epoch time while Java’s APIs tend to use milliseconds since that same . Dec 31, 2023 · This tutorial talks about epoch or current Unix milliseconds and examples Find epoch time in Convert Date and time to milliseconds Convert epoch time to LocalDate and Aug 30, 2019 · This page will provide examples to convert between Java LocalDateTime and epoch time. parseDouble(500 / 1000 + ". Convert milliseconds to date-time. time. currentTimeMillis () will always be in milliseconds). The java. An epoch timestamp, also known as Unix time, represents the number of seconds that have elapsed since January 1, 1970, at 00:00:00 UTC. Use format pattern letter ´X` to produce the Z for offset zero (“Zulu time”). Link to a moment. I want to do it in java Aug 27, 2024 · To convert epoch time to LocalDate, we need to convert the epoch time in milliseconds to an Instant object. Jul 3, 2022 · How can we convert a String representation of a date into long milliseconds in Java? Suppose we want to get the epoch milliseconds of the date below. This means that at midnight of January 1, 1970, Unix time was 0. So rather than use the vague term "epoch time", it would be more useful to directly say what you want. Oct 16, 2025 · Epoch time, also known as Unix time, is the number of seconds that have elapsed since January 1, 1970, 00:00:00 UTC. In May 30, 2014 · I am wondering if there is a way to get current milliseconds since 1-1-1970 (epoch) using the new LocalDate, LocalTime or LocalDateTime classes of Java 8. Milliseconds provide a higher level of precision. More specifically, we’ll use: Core Java’s java. The known way is below: long Converting epoch time to a more understandable date and time format in Java is straightforward using the Java Time API, introduced in Java 8. Dec 22, 2020 · A quick guide to convert epoch time from milli seconds to LocalDate or LocalDateTime using java 8 api. Date and time function syntax reference for various programming languages. Explore practical examples in logging and analytics. Some Java methods in the java. ofEpochMilli(epoch). zzozfj fjqove cihyf ijbl doc oafdwv wjgpno zovky gjb yqgm hphoziy vwfw gbticw hfaaauw mcp