SGT to PST: Singapore–US West Coast time difference and best meeting times
Singapore to San Francisco time · SGT to PST/PDT
Singapore and San Francisco share no 9-to-5 working hours for most of the year. The fairest 1-hour meeting is 08:00 in Singapore = 17:00 (previous day) in San Francisco.
Singapore and San Francisco are roughly opposite on the clock; a Californian late afternoon is the next morning in Singapore.
Time difference
San Francisco is 15h behind Singapore
Most of the year; see below for other dates.
Shared working hours
None
Standard 09:00–17:00 days don't meet.
Fairest 1-hour meeting
08:00 in Singapore = 17:00 (previous day) in San Francisco
Singapore stretches 1h, San Francisco stretches 1h.
How the gap changes in 2027
- 14 Mar – 6 Nov (238 days): San Francisco is 15h behind Singapore. No shared standard hours; fairest meeting 08:00 in Singapore = 17:00 (previous day) in San Francisco.
- 1 Jan – 13 Mar, 7 Nov – 31 Dec (127 days): San Francisco is 16h behind Singapore. No shared standard hours; fairest meeting 08:30 in Singapore = 16:30 (previous day) in San Francisco.
- Singapore:
- UTC+8 all year (no daylight saving)
- San Francisco:
- UTC−8 standard, UTC−7 daylight saving
- 14 Mar: San Francisco clocks go forward 1h
- 7 Nov: San Francisco clocks go back 1h
Hour-by-hour: Singapore to San Francisco
Working hours are 09:00–17:00; night is 23:00–07:00.
| Singapore | San Francisco14 Mar – 6 Nov | San Francisco1 Jan – 13 Mar, 7 Nov – 31 Dec |
|---|---|---|
| 00:00 | 09:00 (previous day) | 08:00 (previous day) |
| 01:00 | 10:00 (previous day) | 09:00 (previous day) |
| 02:00 | 11:00 (previous day) | 10:00 (previous day) |
| 03:00 | 12:00 (previous day) | 11:00 (previous day) |
| 04:00 | 13:00 (previous day) | 12:00 (previous day) |
| 05:00 | 14:00 (previous day) | 13:00 (previous day) |
| 06:00 | 15:00 (previous day) | 14:00 (previous day) |
| 07:00 | 16:00 (previous day) | 15:00 (previous day) |
| 08:00 | 17:00 (previous day) | 16:00 (previous day) |
| 09:00 | 18:00 (previous day) | 17:00 (previous day) |
| 10:00 | 19:00 (previous day) | 18:00 (previous day) |
| 11:00 | 20:00 (previous day) | 19:00 (previous day) |
| 12:00 | 21:00 (previous day) | 20:00 (previous day) |
| 13:00 | 22:00 (previous day) | 21:00 (previous day) |
| 14:00 | 23:00 (previous day) | 22:00 (previous day) |
| 15:00 | 00:00 | 23:00 (previous day) |
| 16:00 | 01:00 | 00:00 |
| 17:00 | 02:00 | 01:00 |
| 18:00 | 03:00 | 02:00 |
| 19:00 | 04:00 | 03:00 |
| 20:00 | 05:00 | 04:00 |
| 21:00 | 06:00 | 05:00 |
| 22:00 | 07:00 | 06:00 |
| 23:00 | 08:00 | 07:00 |
Tips for Singapore and US West Coast teams
- Singapore doesn't use daylight saving time, so the gap moves by an hour whenever San Francisco changes its clocks. Recurring meetings set in one place's time will shift for the other.
- With no shared standard hours, agree which side stretches its day, and rotate the inconvenient slot so it doesn't always fall on the same people.
- Keep live meetings for decisions that need discussion; use written handoffs at the end of each day for everything else.
Based on 09:00–17:00 working days in Singapore and San Francisco, using 2027 clock-change dates. Real schedules vary, so confirm with your team.