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iMore Question
I went on a trip across time zones and it struggled with changing. Now back in mountain time my iPad is still in Central time
Change the time in settings/general/date time so that Auto is set to off. Change the time zone to another city and then turn Auto back on. It should now detect the correct time for where you are.
It should update automatically if the correct permissions are set in location services. That being said, your suggestion is an easy workaround if OP doesn't want his/her iPad tracking its position.