Observatory log
Mumbai and Berkeley, compared
- 01Difference now
Berkeley is 12 hours 30 minutes behind Mumbai.
Mumbai: IST (UTC+5:30) · Berkeley: PDT (UTC−7)
Next changeFrom 1 November 2026: Berkeley is 13 hours 30 minutes behind Mumbai.
- 02Through 2026–2027
- 1 January 2026 – 8 March 2026−13 h 30 min
- 8 March 2026 – 1 November 2026−12 h 30 min
- 1 November 2026 – 14 March 2027−13 h 30 min
- 14 March 2027 – 7 November 2027−12 h 30 min
- 7 November 2027 – 31 December 2027−13 h 30 min
Difference of Berkeley from Mumbai. 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
21:30–22:00 in Mumbai = 09:00–09:30 in Berkeley
No shared office hours: this is early or late for one side (Mon–Fri).
Also possible: Tue–Fri: 09:00–10:30 in Mumbai = 20:30–22:00 in Berkeley (yesterday) · 1 h 30 min.
- 05Weekend
Mumbai: Saturday and Sunday
Berkeley: Saturday and Sunday
24 hours
A day in Mumbai, in Berkeley
| Mumbai | Berkeley | Working hours, evening, night or weekend in each place |
|---|---|---|
| 00:00 | 11:30Yesterday | |
| 01:00 | 12:30Yesterday | |
| 02:00 | 13:30Yesterday | |
| 03:00 | 14:30Yesterday | |
| 04:00 | 15:30Yesterday | |
| 05:00 | 16:30Yesterday | |
| 06:00 | 17:30Yesterday | |
| 07:00 | 18:30Yesterday | |
| 08:00 | 19:30Yesterday | |
| 09:00 | 20:30Yesterday | |
| 10:00 | 21:30Yesterday | |
| 11:00 | 22:30Yesterday | |
| 12:00 | 23:30Yesterday | |
| 13:00 | 00:30 | |
| 14:00 | 01:30 | |
| 15:00 | 02:30 | |
| 16:00 | 03:30 | |
| 17:00 | 04:30 | |
| 18:00 | 05:30 | |
| 19:00 | 06:30 | |
| 20:00 | 07:30 | |
| 21:00 | 08:30 | |
| 22:00 | 09:30 | |
| 23:00 | 10:30 |
Working hoursEarly or eveningNightWeekend
Plan a meeting: Mumbai and Berkeley
More time differences with Mumbai
Questions
Asked about Mumbai and Berkeley
What is the time difference between Mumbai and Berkeley?
Berkeley is 12 hours 30 minutes behind Mumbai. This holds until 1 November 2026; then Berkeley is 13 hours 30 minutes behind Mumbai.
What is the best time for a call between Mumbai and Berkeley?
No shared office hours. The least awkward windows, early or late for one side: Mon–Fri: 21:30–22:00 in Mumbai = 09:00–09:30 in Berkeley · 30 min; Tue–Fri: 09:00–10:30 in Mumbai = 20:30–22:00 in Berkeley (yesterday) · 1 h 30 min.
When does the time difference between Mumbai and Berkeley change?
In the next 12 months it changes on: 1 November 2026 (−13 h 30 min); 14 March 2027 (−12 h 30 min).