Time difference between Tokyo and Mar del Plata
−12 hMar del Plata is 12 hours behind Tokyo.
Observatory log
Tokyo and Mar del Plata, compared
- 01Difference now
Mar del Plata is 12 hours behind Tokyo.
Tokyo: JST (UTC+9) · Mar del Plata: UTC−3 (UTC−3)
- 02Through 2026–2027
The difference stays the same all year.
- 1 January 2026 – 31 December 2027−12 h
Difference of Mar del Plata 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 Mar del Plata
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 Mar del Plata (yesterday) · 1 h.
- 05Weekend
Tokyo: Saturday and Sunday
Mar del Plata: Saturday and Sunday
24 hours
A day in Tokyo, in Mar del Plata
| Tokyo | Mar del Plata | 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 Mar del Plata
More time differences with Tokyo
Questions
Asked about Tokyo and Mar del Plata
What is the time difference between Tokyo and Mar del Plata?
Mar del Plata is 12 hours behind Tokyo. The difference stays the same all year.
What is the best time for a call between Tokyo and Mar del Plata?
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 Mar del Plata · 1 h; Tue–Fri: 09:00–10:00 in Tokyo = 21:00–22:00 in Mar del Plata (yesterday) · 1 h.
When does the time difference between Tokyo and Mar del Plata change?
It does not change in the next 12 months: Tokyo and Mar del Plata either keep the same time all year or change their clocks on the same dates.