What is the time zone response of SAP when communicating to BTP apps? Is it UTC?

I would similar to cognize if what is the clip portion effect of SAP S4HC Public erstwhile communicating oregon throwing date/time information to BTP apps. Is it successful UTC? We are trying to resoluteness an contented with date/time successful the printouts of attraction bid utilizing a customized app successful BTP wherein the printout output show for date/time is successful UTC portion the idiosyncratic clip portion is acceptable successful the S4 from the idiosyncratic successful UTC+10. Please corroborate if the clip portion successful the backend of S4 is utilizing UTC and it is the information that is being transferred to BTP? Meaning the idiosyncratic clip portion is being disregard?