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Is the time used to calculate trajectories UTC or local time?

Posted: July 22nd, 2021, 10:57 am
by sonny.zinn
[Note that the question and the answer below are recreated from a HYSPLIT FAQ site that predates this forum site. The original posting date is unknown.]

All times in HYSPLIT are in UTC and come from the meteorological data, which is also in UTC time. There is no option to change the times to local time.

Roland Draxler