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FreeBSD, Linux, Mac OS X, Technical

Mini-HOWTO: What Time is UTC?

I wanted to know what time it was in UTC, but I forgot my local offset. (It changes twice a year!) I figured I could look in the date man page, but I came up with an “easier” solution. Simply fudge the time zone and then ask.

0-20:57 djh@noneedto ~$ env TZ=UTC date
Tue May  6 03:57:07 UTC 2008

The env bit is not needed in bash, but it makes tcsh happy.

Update: Mark points out an easier solution:
date -u

Knowing you can set TZ= is still useful in case you ever need to contemplate an alternate timezone.

(Thanks, Saul and Dave for improving my knowledge.)

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  • dbt

    env TZ= date works just as well, without needing to be undone…

  • (Thanks, dbt . . . this post just got a lot shorter. ;)

  • mark

    How about ‘date -u’?