Time difference between Tokyo and Tres Arroyos
−12 hTres Arroyos is 12 hours behind Tokyo.
Observatory log
Tokyo and Tres Arroyos, compared
- 01Difference now
Tres Arroyos is 12 hours behind Tokyo.
Tokyo: JST (UTC+9) · Tres Arroyos: UTC−3 (UTC−3)
- 02Through 2026–2027
The difference stays the same all year.
- 1 January 2026 – 31 December 2027−12 h
Difference of Tres Arroyos 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
21:00–22:00 in Tokyo = 09:00–10:00 in Tres Arroyos
No shared office hours: this is early or late for one side (Mon–Fri).
Also possible: Tue–Fri: 09:00–10:00 in Tokyo = 21:00–22:00 in Tres Arroyos (yesterday) · 1 h.
- 05Weekend
Tokyo: Saturday and Sunday
Tres Arroyos: Saturday and Sunday
24 hours
A day in Tokyo, in Tres Arroyos
| Tokyo | Tres Arroyos | Working hours, evening, night or weekend in each place |
|---|---|---|
| 00:00 | 12:00Yesterday | |
| 01:00 | 13:00Yesterday | |
| 02:00 | 14:00Yesterday | |
| 03:00 | 15:00Yesterday | |
| 04:00 | 16:00Yesterday | |
| 05:00 | 17:00Yesterday | |
| 06:00 | 18:00Yesterday | |
| 07:00 | 19:00Yesterday | |
| 08:00 | 20:00Yesterday | |
| 09:00 | 21:00Yesterday | |
| 10:00 | 22:00Yesterday | |
| 11:00 | 23:00Yesterday | |
| 12:00 | 00:00 | |
| 13:00 | 01:00 | |
| 14:00 | 02:00 | |
| 15:00 | 03:00 | |
| 16:00 | 04:00 | |
| 17:00 | 05:00 | |
| 18:00 | 06:00 | |
| 19:00 | 07:00 | |
| 20:00 | 08:00 | |
| 21:00 | 09:00 | |
| 22:00 | 10:00 | |
| 23:00 | 11:00 |
Working hoursEarly or eveningNightWeekend
Plan a meeting: Tokyo and Tres Arroyos
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Questions
Asked about Tokyo and Tres Arroyos
What is the time difference between Tokyo and Tres Arroyos?
Tres Arroyos is 12 hours behind Tokyo. The difference stays the same all year.
What is the best time for a call between Tokyo and Tres Arroyos?
No shared office hours. The least awkward windows, early or late for one side: Mon–Fri: 21:00–22:00 in Tokyo = 09:00–10:00 in Tres Arroyos · 1 h; Tue–Fri: 09:00–10:00 in Tokyo = 21:00–22:00 in Tres Arroyos (yesterday) · 1 h.
When does the time difference between Tokyo and Tres Arroyos change?
It does not change in the next 12 months: Tokyo and Tres Arroyos either keep the same time all year or change their clocks on the same dates.