Observatory log
São Paulo and Oamaru, compared
- 01Difference now
Oamaru is 16 hours ahead of São Paulo.
São Paulo: UTC−3 (UTC−3) · Oamaru: NZDT (UTC+13)
Next changeFrom 4 April 2027: Oamaru is 15 hours ahead of São Paulo.
- 02Through 2026–2027
- 1 January 2026 – 5 April 2026+16 h
- 5 April 2026 – 27 September 2026+15 h
- 27 September 2026 – 4 April 2027+16 h
- 4 April 2027 – 26 September 2027+15 h
- 26 September 2027 – 31 December 2027+16 h
Difference of Oamaru from São Paulo. 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
14:00–22:00 in São Paulo = 06:00–14:00 in Oamaru
No shared office hours: this is early or late for one side (Mon–Thu).
- 05Weekend
São Paulo: Saturday and Sunday
Oamaru: Saturday and Sunday
24 hours
A day in São Paulo, in Oamaru
| São Paulo | Oamaru | Working hours, evening, night or weekend in each place |
|---|---|---|
| 00:00 | 16:00 | |
| 01:00 | 17:00 | |
| 02:00 | 18:00 | |
| 03:00 | 19:00 | |
| 04:00 | 20:00 | |
| 05:00 | 21:00 | |
| 06:00 | 22:00 | |
| 07:00 | 23:00 | |
| 08:00 | 00:00Tomorrow | |
| 09:00 | 01:00Tomorrow | |
| 10:00 | 02:00Tomorrow | |
| 11:00 | 03:00Tomorrow | |
| 12:00 | 04:00Tomorrow | |
| 13:00 | 05:00Tomorrow | |
| 14:00 | 06:00Tomorrow | |
| 15:00 | 07:00Tomorrow | |
| 16:00 | 08:00Tomorrow | |
| 17:00 | 09:00Tomorrow | |
| 18:00 | 10:00Tomorrow | |
| 19:00 | 11:00Tomorrow | |
| 20:00 | 12:00Tomorrow | |
| 21:00 | 13:00Tomorrow | |
| 22:00 | 14:00Tomorrow | |
| 23:00 | 15:00Tomorrow |
Working hoursEarly or eveningNightWeekend
Questions
Asked about São Paulo and Oamaru
What is the time difference between São Paulo and Oamaru?
Oamaru is 16 hours ahead of São Paulo. This holds until 4 April 2027; then Oamaru is 15 hours ahead of São Paulo.
What is the best time for a call between São Paulo and Oamaru?
No shared office hours. The least awkward windows, early or late for one side: Mon–Thu: 14:00–22:00 in São Paulo = 06:00–14:00 in Oamaru (tomorrow) · 8 h.
When does the time difference between São Paulo and Oamaru change?
In the next 12 months it changes on: 4 April 2027 (+15 h); 26 September 2027 (+16 h).