NTSTATUS __stdcall RtlSetSystemGlobalData(INT64 a1, UINT64 *a2){
_KSPIN_LOCK *v3;
if( PsIsCurrentThreadInServerSilo() )
PsGetCurrentServerSiloGlobals(v3)->UserSharedData->TimeZoneId = *(_DWORD *)a2;
else
KUSER_SHARED_DATA.TimeZoneId = *(_DWORD *)a2;
return 0;
}