⏰Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates. Supports both seconds and millisecond precision.

📅 Current Timestamp

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Unix Timestamp (seconds)

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Unix Timestamp (milliseconds)

🔍 Convert Timestamp to Date

Enter Unix timestamp:

Result:

📆 Convert Date to Timestamp

Select date & time:

Result (seconds):

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 00:00:00 UTC —excluding leap seconds. It's widely used in programming, databases, and APIs as a compact, timezone-independent way to represent time.

Key Facts

The Unix epoch started at 00:00:00 UTC on January 1, 1970.
Timestamps are always in UTC —they don't change with timezones or daylight saving.
Most systems use seconds; JavaScript uses milliseconds (multiply by 1000).
The Year 2038 problem: 32-bit signed integer timestamps will overflow on January 19, 2038.