Timestamp Converter
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UTC
Unix: --
Live
Unix Seconds
Milliseconds
ISO 8601
RFC 2822
Local Time
UTC
Relative Time
Timestamp Features
Multi‑Format Output
See your timestamp in Unix seconds, milliseconds, ISO, RFC, local time, UTC, and relative time.
Date Math & Duration
Add or subtract time from any timestamp, and calculate exact durations between two moments.
Bulk Conversion
Convert multiple timestamps at once – paste a list and get results instantly.
Frequently Asked Questions
What is a Unix timestamp?
A Unix timestamp is the number of seconds that have elapsed since January 1, 1970 (UTC).
How does auto‑detection work?
The tool checks if the input is a numeric value (timestamp) or a date string. If numeric, it detects whether it's in seconds or milliseconds.
What timezone is used?
You can select any timezone from the dropdown. The output will be displayed in that timezone.