Users in timezone A need to schedule events many months in the future in timezone B, and display them in a report in timezone C. In addition, should the legal

Users in timezone A need to schedule events many months in the future in timezone B, and display them in a report in timezone C. In addition, should the legal authority in timezone B change their DST rules in the meantime, the local time of the event as observed in timezone B should still be what the user initially selected, which is not the same in UTC as it was at creation time