“Same time tomorrow” across a clock change
London's clocks go back an hour at 02:00 on Sunday 25 October 2026.
Sat 09:00LONDON
+ 1 day.add({ days: 1 })
→
Sun 09:00SAME WALL CLOCK
Sat 09:00LONDON
+ 24 hours.add({ hours: 24 })
→
Sun 08:00ONE HOUR EARLY