What time is it in Tahiti?

French Polynesia spans 3 time zones, so the answer depends on where in it you mean. Tahiti covers Society Islands and is on the same clock as Tahiti, though the two are separate zones in the IANA database and can diverge when daylight saving rules differ.

Tahiti does not observe daylight saving, so its offset from UTC never moves. Its relationship to places that do change shifts twice a year instead.