Observatory log
Tokyo and Boa Vista, compared
- 01Difference now
Boa Vista is 13 hours behind Tokyo.
Tokyo: JST (UTC+9) · Boa Vista: UTC−4 (UTC−4)
- 02Through 2026–2027
The difference stays the same all year.
- 1 January 2026 – 31 December 2027−13 h
Difference of Boa Vista 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
09:00–11:00 in Tokyo = 20:00–22:00 in Boa Vista
No shared office hours: this is early or late for one side (Tue–Fri).
- 05Weekend
Tokyo: Saturday and Sunday
Boa Vista: Saturday and Sunday
24 hours
A day in Tokyo, in Boa Vista
| Tokyo | Boa Vista | Working hours, evening, night or weekend in each place |
|---|---|---|
| 00:00 | 11:00Yesterday | |
| 01:00 | 12:00Yesterday | |
| 02:00 | 13:00Yesterday | |
| 03:00 | 14:00Yesterday | |
| 04:00 | 15:00Yesterday | |
| 05:00 | 16:00Yesterday | |
| 06:00 | 17:00Yesterday | |
| 07:00 | 18:00Yesterday | |
| 08:00 | 19:00Yesterday | |
| 09:00 | 20:00Yesterday | |
| 10:00 | 21:00Yesterday | |
| 11:00 | 22:00Yesterday | |
| 12:00 | 23:00Yesterday | |
| 13:00 | 00:00 | |
| 14:00 | 01:00 | |
| 15:00 | 02:00 | |
| 16:00 | 03:00 | |
| 17:00 | 04:00 | |
| 18:00 | 05:00 | |
| 19:00 | 06:00 | |
| 20:00 | 07:00 | |
| 21:00 | 08:00 | |
| 22:00 | 09:00 | |
| 23:00 | 10:00 |
Working hoursEarly or eveningNightWeekend
Plan a meeting: Tokyo and Boa Vista
More time differences with Tokyo
Questions
Asked about Tokyo and Boa Vista
What is the time difference between Tokyo and Boa Vista?
Boa Vista is 13 hours behind Tokyo. The difference stays the same all year.
What is the best time for a call between Tokyo and Boa Vista?
No shared office hours. The least awkward windows, early or late for one side: Tue–Fri: 09:00–11:00 in Tokyo = 20:00–22:00 in Boa Vista (yesterday) · 2 h.
When does the time difference between Tokyo and Boa Vista change?
It does not change in the next 12 months: Tokyo and Boa Vista either keep the same time all year or change their clocks on the same dates.