Setting timezones from command line on MacOS

We wrote some tests that failed recently in a timezone other than our own (☹️). In order to reproduce this failure we had to set the timezone of our local machine to the failure timezone.

sudo systemsetup -settimezone America/New_York

Easy enough. You can get all the timezones available to you with:

sudo systemsetup -listtimezones

And also check your current timezone

sudo systemsetup -gettimezone

systemsetup has 47 different time/system oriented commands. But it needs a sudo even to run -help.

> systemsetup -help
You need administrator access to run this tool... exiting!

Don't fret you can get this important secret information via the man page

man systemsetup

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