Time Zone Conversions in PySpark

PySpark has built-in functions to shift time between time zones. Just need to follow a simple rule. It goes like this. First convert the timestamp from origin time zone to UTC which is a point of reference. Then convert the timestamp from UTC to the required time zone. In this way there is no need to maintain lookup tables and its a generic method to convert time between time zones even for the ones that require daylight savings offset.

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