Reminder scheduled during DST gap
Review this Java method that schedules a reminder 3 hours after a local appointment time (zone is America/New_York).
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0:00 of about 22 min
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1ZoneId NY = ZoneId.of("America/New_York");
2
3Instant reminderAt(LocalDateTime appt) {
4 // appt is the user's local wall-clock time, e.g. 2026-03-08T01:30
5 LocalDateTime t = appt.plusHours(3);
6 return t.atZone(NY).toInstant();
7}
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