Theoretically, yes. In practice, you should just use UTC.
>If you're in a corporate setting and the majority of your users are in the same time zone as your servers, then it makes sense to use that time zone.
No it doesn't. Use UTC. The Internet does not have a time zone.
>There's fewer date conversions that way.
Your library is probably "converting" the date anyway, UTC or not.
>for the other half it's a 1 hour DST conversion - which many time handling libraries have optimized
Is it really that slow to convert a date?
Theoretically, yes. In practice, you should just use UTC.
>If you're in a corporate setting and the majority of your users are in the same time zone as your servers, then it makes sense to use that time zone.
No it doesn't. Use UTC. The Internet does not have a time zone.
>There's fewer date conversions that way.
Your library is probably "converting" the date anyway, UTC or not.
>for the other half it's a 1 hour DST conversion - which many time handling libraries have optimized
Is it really that slow to convert a date?