Convert
Unix timestamp converter
Convert Unix epoch time to a readable UTC and local datetime, or turn a local datetime into seconds and milliseconds.
Seconds or milliseconds
Seconds
1789357297
Milliseconds
1789357297000
UTC
Monday, September 14, 2026 at 3:41:37 AM
Local time
Monday, September 14, 2026 at 3:41:37 AM
ISO 8601
2026-09-14T03:41:37.000Z
Seconds
1789357297
Milliseconds
1789357297000
UTC
Monday, September 14, 2026 at 3:41:37 AM
Local time
Monday, September 14, 2026 at 3:41:37 AM
ISO 8601
2026-09-14T03:41:37.000Z
How to use
Paste a timestamp (seconds or milliseconds are detected) or pick a local datetime. Both directions stay visible.
Questions
- Seconds or milliseconds?
- Values with 13 or more digits are treated as milliseconds. Smaller values are treated as seconds and multiplied by 1000.
- Which timezone is “local”?
- Your browser’s current timezone. UTC is always shown next to it so you can compare.