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by manigandham
3305 days ago
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That is not reliable. Storing in UTC is optional, and can be used for easier comparisons, but you must store the local timezone and timestamp to be 100% reliable. The local TZ => UTC formula may change for any reason, whether it's daylight saving time or any other random situation. It might be relatively stable in some locations (although it can change even within a global timezone like EST based on location) but there are constant updates being made. You can look at the IANA and Microsoft timezone database updates yourself. Why create risk when not necessary? |
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