Timestamp Converter & Time Toolkit
Convert Unix timestamps to dates in any format: ISO 8601, RFC 2822, SQL, relative time ('2 days ago'), Excel serial, Julian day. Handle multiple timezones. See the same moment across UTC, EST, PST, JST. Add or subtract time. Calculate exact age. Compare timestamps. Batch convert hundreds at once. Get code snippets for JavaScript, Python, PHP, Go, SQL, Java. Detects Y2038 problem. Quick shortcuts for now, today, yesterday, week/month/year start. Everything runs in your browser.
1763656925843
11/20/2025, 9:42:05 PM
January 1, 1970
00:00:00 UTC
Unix timestamp = seconds since epoch
2,147,483,647
Jan 19, 2038 03:14:07
32-bit timestamp limit
Output Formats:
Timezones:
How to Use
- Paste a Unix timestamp or pick a date
- Pick output formats: ISO, SQL, relative time, etc.
- Add timezones to see the same time across zones
- Calculate tab for date math (add/subtract days, months, years)
- Batch tab converts multiple timestamps at once
Frequently Asked Questions
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