Observatory log
Dubai and San Mateo, compared
- 01Difference now
San Mateo is 11 hours behind Dubai.
Dubai: UTC+4 (UTC+4) · San Mateo: PDT (UTC−7)
Next changeFrom 1 November 2026: San Mateo is 12 hours behind Dubai.
- 02Through 2026–2027
- 1 January 2026 – 8 March 2026−12 h
- 8 March 2026 – 1 November 2026−11 h
- 1 November 2026 – 14 March 2027−12 h
- 14 March 2027 – 7 November 2027−11 h
- 7 November 2027 – 31 December 2027−12 h
Difference of San Mateo from Dubai. 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
20:00–22:00 in Dubai = 09:00–11:00 in San Mateo
No shared office hours: this is early or late for one side (Mon–Fri).
- 05Weekend
Dubai: Saturday and Sunday
San Mateo: Saturday and Sunday
24 hours
A day in Dubai, in San Mateo
| Dubai | San Mateo | Working hours, evening, night or weekend in each place |
|---|---|---|
| 00:00 | 13:00Yesterday | |
| 01:00 | 14:00Yesterday | |
| 02:00 | 15:00Yesterday | |
| 03:00 | 16:00Yesterday | |
| 04:00 | 17:00Yesterday | |
| 05:00 | 18:00Yesterday | |
| 06:00 | 19:00Yesterday | |
| 07:00 | 20:00Yesterday | |
| 08:00 | 21:00Yesterday | |
| 09:00 | 22:00Yesterday | |
| 10:00 | 23:00Yesterday | |
| 11:00 | 00:00 | |
| 12:00 | 01:00 | |
| 13:00 | 02:00 | |
| 14:00 | 03:00 | |
| 15:00 | 04:00 | |
| 16:00 | 05:00 | |
| 17:00 | 06:00 | |
| 18:00 | 07:00 | |
| 19:00 | 08:00 | |
| 20:00 | 09:00 | |
| 21:00 | 10:00 | |
| 22:00 | 11:00 | |
| 23:00 | 12:00 |
Working hoursEarly or eveningNightWeekend
Plan a meeting: Dubai and San Mateo
More time differences with Dubai
Questions
Asked about Dubai and San Mateo
What is the time difference between Dubai and San Mateo?
San Mateo is 11 hours behind Dubai. This holds until 1 November 2026; then San Mateo is 12 hours behind Dubai.
What is the best time for a call between Dubai and San Mateo?
No shared office hours. The least awkward windows, early or late for one side: Mon–Fri: 20:00–22:00 in Dubai = 09:00–11:00 in San Mateo · 2 h.
When does the time difference between Dubai and San Mateo change?
In the next 12 months it changes on: 1 November 2026 (−12 h); 14 March 2027 (−11 h).