As documented (and implemented), hibernate.timezone.default_storage affects ZonedDateTime and OffsetDateTime, but not OffsetTime.

As a result, if you set hibernate.timezone.default_storage=NORMALIZE_UTC or hibernate.timezone.default_storage=COLUMN or hibernate.timezone.default_storage=NATIVE, it won’t affect OffsetTime storage, which will still be mapped to a column of type TIME (not TIME WITH TIMEZONE), and will still be normalized to hibernate.jdbc.time_zone or the JVM timezone (not UTC).

That’s at least surprising, and I think getting OffsetTime in line with ZonedDateTime and OffsetDateTime would improve the situation.