In-browser
Timestamp
Convert Unix seconds, milliseconds, and datetimes.
Now
1787078436
2026-08-19 02:40:36 · Asia/Shanghai
With an empty input, the rows show the current moment.
Unix seconds
1787078436
Unix milliseconds
1787078436409
ISO 8601
2026-08-18T18:40:36.409Z
Asia/Shanghai
2026-08-19 02:40:36
UTC
2026-08-18 18:40:36
Local timezone
2026-08-19 02:40:36
How it works
10-digit values are seconds, 13-digit values are milliseconds. Date strings follow the browser parser. Asia/Shanghai is fixed for Beijing time. All conversion stays in the browser.