Thanks for describing the use case Li! > The examples we ran are on UTC timestamp without any timezone > complications, perhaps there is room for short circuits when there are no > timezone complications...
I think using UTC zoned timestamp array might currently behave as a regular timezoned timestamp array and use the zoned path. However, setting timezone="" should use a non-zoned computation path. See here: https://github.com/apache/arrow/blob/master/cpp/src/arrow/compute/kernels/temporal_internal.h#L233 Rok