📅 Timestamp —Date
⏱️ Date —Timestamp
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Key Features
Everything you need, right at your fingertips. Simple, fast, and built for everyone.
Local & UTC
View dates in your local timezone and UTC simultaneously.
ISO 8601
Outputs standard ISO 8601 format for API usage.
Live Clock
Current timestamp updates every second —always accurate.
Relative Time
See human-friendly relative times like '2 hours ago'.
How to Use This Unix Timestamp Converter
Getting started is easy. Just follow these simple steps.
Enter Timestamp
Paste a Unix timestamp (seconds or milliseconds).
See Human Time
View the date and time in multiple formats.
OR: Pick a Date
Select a date to convert it to a timestamp.
Copy & Use
Grab the format you need for your code or database.
About This Unix Timestamp Converter
A Unix timestamp (also known as Unix time or POSIX time) is a way of representing dates and times as a single number: the number of seconds that have elapsed since January 1, 1970, 00:00:00 UTC (the Unix epoch). This system is widely used in computing, programming, and databases.
The Unix timestamp system has several advantages: it is easy to compare (larger numbers are later), it is simple to calculate differences (subtraction gives seconds), it is timezone-agnostic (always in UTC), and it is a compact numeric representation that works well in APIs and databases.
Unix timestamps come in different precisions. Most Unix systems use seconds (10-digit numbers), while some programming languages and systems use milliseconds (13-digit) or even microseconds or nanoseconds. It is important to know which unit you are working with when converting.
A Unix timestamp converter lets you quickly convert between human-readable dates and Unix timestamps. It is useful for developers, system administrators, data analysts, and anyone working with systems that use Unix time.
Frequently Asked Questions
What is a Unix timestamp?
A Unix timestamp (also called Epoch time or POSIX time) is the number of seconds that have elapsed since January 1, 1970 (the Unix epoch). It's a simple integer that represents a point in time and is widely used in programming, databases, and APIs because it's easy to store, compare, and calculate with.
What's the difference between seconds and milliseconds?
Unix timestamps are usually in seconds (10-digit numbers). Some systems use milliseconds (13-digit numbers) for higher precision. JavaScript's Date.now() returns milliseconds, while many backend languages and databases use seconds. Our converter supports both —just select the unit from the dropdown.
What happens in 2038?
The Year 2038 problem (Y2038) refers to the time when the 32-bit signed Unix timestamp will overflow on January 19, 2038 at 03:14:07 UTC. This could cause issues for systems that still use 32-bit integers for timestamps. Most modern systems use 64-bit integers, which won't overflow for billions of years.