the time in Quartier de Grand’ Case is the time in 紐約早1 小時 when 紐約 is on standard time, and the same as the time in 紐約 when 紐約 is on daylight saving time.
Quartier de Grand’ Case has not had daylight saving time since 1945.
Quartier de Grand’ Case 的 IANA 時區識別代號是 America/Marigot