Online clock & current time
See your local time or another time zone.
Free · Browser-basedGo from Unix time to a readable date, and back. Always clear on UTC.
Choose Unix seconds, Unix milliseconds, or an ISO date.
Enter a timestamp or an ISO date with an explicit time zone.
Convert to see the UTC date and both Unix units.
Convert between Unix timestamps and explicit ISO 8601 dates. Output includes a UTC ISO date, Unix seconds, and Unix milliseconds to make unit differences visible.
ISO date inputs must include Z or a numeric time-zone offset. Leap seconds are not represented by JavaScript dates. Out-of-range and invalid calendar dates are rejected.
No. You choose the unit to avoid silently interpreting a timestamp incorrectly.
The ISO date always uses UTC, marked by Z. An input offset is converted to UTC.
This tool runs in your browser. Your input is not uploaded or saved by Saanvi.
Privacy details