Observatory log
Tokyo and La Scie, compared
- 01Difference now
La Scie is 11 hours 30 minutes behind Tokyo.
Tokyo: JST (UTC+9) · La Scie: NDT (UTC−2:30)
Next changeFrom 1 November 2026: La Scie is 12 hours 30 minutes behind Tokyo.
- 02Through 2026–2027
- 1 January 2026 – 8 March 2026−12 h 30 min
- 8 March 2026 – 1 November 2026−11 h 30 min
- 1 November 2026 – 14 March 2027−12 h 30 min
- 14 March 2027 – 7 November 2027−11 h 30 min
- 7 November 2027 – 31 December 2027−12 h 30 min
Difference of La Scie from Tokyo. It changes on the days either place changes its clocks (dates local to that place).
- 03Shared working hours
Their working days never overlap.
Counted as 09:00–17:00 local time on each place’s own working days, for the next seven days.
- 04Best time to meet
20:30–22:00 in Tokyo = 09:00–10:30 in La Scie
No shared office hours: this is early or late for one side (Mon–Fri).
Also possible: Tue–Fri: 09:00–09:30 in Tokyo = 21:30–22:00 in La Scie (yesterday) · 30 min.
- 05Weekend
Tokyo: Saturday and Sunday
La Scie: Saturday and Sunday
24 hours
A day in Tokyo, in La Scie
| Tokyo | La Scie | Working hours, evening, night or weekend in each place |
|---|---|---|
| 00:00 | 12:30Yesterday | |
| 01:00 | 13:30Yesterday | |
| 02:00 | 14:30Yesterday | |
| 03:00 | 15:30Yesterday | |
| 04:00 | 16:30Yesterday | |
| 05:00 | 17:30Yesterday | |
| 06:00 | 18:30Yesterday | |
| 07:00 | 19:30Yesterday | |
| 08:00 | 20:30Yesterday | |
| 09:00 | 21:30Yesterday | |
| 10:00 | 22:30Yesterday | |
| 11:00 | 23:30Yesterday | |
| 12:00 | 00:30 | |
| 13:00 | 01:30 | |
| 14:00 | 02:30 | |
| 15:00 | 03:30 | |
| 16:00 | 04:30 | |
| 17:00 | 05:30 | |
| 18:00 | 06:30 | |
| 19:00 | 07:30 | |
| 20:00 | 08:30 | |
| 21:00 | 09:30 | |
| 22:00 | 10:30 | |
| 23:00 | 11:30 |
Working hoursEarly or eveningNightWeekend
Plan a meeting: Tokyo and La Scie
More time differences with Tokyo
Questions
Asked about Tokyo and La Scie
What is the time difference between Tokyo and La Scie?
La Scie is 11 hours 30 minutes behind Tokyo. This holds until 1 November 2026; then La Scie is 12 hours 30 minutes behind Tokyo.
What is the best time for a call between Tokyo and La Scie?
No shared office hours. The least awkward windows, early or late for one side: Mon–Fri: 20:30–22:00 in Tokyo = 09:00–10:30 in La Scie · 1 h 30 min; Tue–Fri: 09:00–09:30 in Tokyo = 21:30–22:00 in La Scie (yesterday) · 30 min.
When does the time difference between Tokyo and La Scie change?
In the next 12 months it changes on: 1 November 2026 (−12 h 30 min); 14 March 2027 (−11 h 30 min).