Planning around the time difference before you travel saves you from a bunch of small disasters that always hit the unprepared. Book your arrival thoughtfully: landing in the evening local time lets you sleep and reset, while a morning arrival means surviving a very long first day. If you have a job start, university registration, or visa appointment, leave at least a buffer day between landing and anything important, because jet-lagged people forget documents and miss instructions.
Work planning matters just as much. Before flying, update your calendar to the new zone, warn colleagues and clients when your availability shifts, and reschedule any standing calls that would now land at midnight. If you will keep working with teams back home, negotiate the overlap hours early rather than silently absorbing daily late-night meetings, which is how burnout starts.
And loop your family in. Tell parents your new calling window before you leave, since the first missed calls cause more worry at home than anything else.