world clock

Local time, and everywhere else.

Your device clock, resolved against the IANA timezone database in your browser. Add any of the world's timezones below — everything runs client-side, nothing is sent anywhere.

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timezone
detecting…
copied
utc offset
from coordinated universal time
copied
iso week
copied
unix epoch
seconds since 1970-01-01 utc
copied

other timezones

machine formats

now — every representation

$ date --formats

iso 8601
rfc 2822
utc
unix (s)
unix (ms)
day of year

ISO 8601 is the one to use in filenames, logs and APIs — it sorts correctly as plain text and carries its own offset, so it survives being read in another timezone.

resolved locally · no requests, no tracking