Best Meeting Time: Singapore to San Francisco
🕐 Live Timezone Overlap: Singapore & San Francisco
Singapore and San Francisco sit 15 hours apart, which makes scheduling a live meeting genuinely difficult. Singapore runs 9am to 6pm on a fixed UTC+8 clock, with no seasonal shift. San Francisco, meanwhile, is so far behind that its working day has already ended before Singapore's morning begins. There is no standard overlap at all. Any meeting between the two cities requires at least one team to work outside normal hours.
Time Difference: Singapore and San Francisco
San Francisco is currently 15 hours behind Singapore. The live offsets are Singapore UTC+8 and San Francisco UTC-7. Singapore does not observe daylight saving and San Francisco observes daylight saving, so the offset shifts twice a year if both sides aren't already aligned.
Singapore observes no daylight saving time, staying at UTC+8 year-round, the same offset as Beijing and Hong Kong. San Francisco follows US federal DST rules, moving from UTC-8 in winter to UTC-7 in summer, switching on the second Sunday in March and reverting on the first Sunday in November. In winter the gap between Singapore and San Francisco is 16 hours. In summer it narrows to 15 hours. The shift happens twice a year, so teams should recheck their calendar invites around each changeover weekend.
Best Times to Meet
With zero hours of working-hour overlap between Singapore and San Francisco, every meeting demands a compromise. The least disruptive arrangement is typically an early morning slot in San Francisco, around 7am to 8am Pacific, which lands at 10pm to 11pm in Singapore. Singapore participants bear the late-night burden. Alternatively, a Singapore-side early start of 7am puts San Francisco at 4pm the previous day, which is still within reach. Note that some San Francisco tech teams run 10am to 7pm Pacific, which helps marginally on their end.
Working Hours Overlap Explained
Singapore operates on Asia/Singapore (currently UTC+8). San Francisco operates on America/Los_Angeles (currently UTC-7). The table below maps a standard 9:00 AM–6:00 PM day in Singapore to San Francisco's local time.
| Singapore time | San Francisco time | Status |
|---|---|---|
| 9:00 AM | 6:00 PM | San Francisco wrapping up |
| 10:00 AM | 7:00 PM | San Francisco outside hours |
| 11:00 AM | 8:00 PM | San Francisco outside hours |
| 12:00 PM | 9:00 PM | San Francisco outside hours |
| 1:00 PM | 10:00 PM | San Francisco outside hours |
| 2:00 PM | 11:00 PM | San Francisco outside hours |
| 3:00 PM | 12:00 AM | San Francisco outside hours |
| 4:00 PM | 1:00 AM | San Francisco outside hours |
| 5:00 PM | 2:00 AM | San Francisco outside hours |
| 6:00 PM | 3:00 AM | San Francisco outside hours |
Tips for Scheduling Across Singapore and San Francisco
- In winter the Singapore to San Francisco gap is 16 hours, not 15. Update recurring invites every November and March.
- A 7am San Francisco start equals 10pm Singapore time. Rotate the late shift so neither team always carries the burden.
- Chinese New Year brings extended absences in Singapore beyond the two official public holidays. Block that period early.
- Mid-July through Labor Day is high vacation season across the San Francisco Bay Area tech sector. Confirm attendance before sending invites.
- Singapore's UTC+8 never changes. If your calendar tool shows a shift, the error is on the San Francisco side, not Singapore's.
Public Holidays and Working Weeks
Both cities follow a standard Monday-to-Friday working week, with 9am to 6pm as the canonical day. Singapore's nearest notable public holidays include Chinese New Year in January or February, which brings two official public holidays and often extended absences, and National Day on 9 August. San Francisco's key dates include Independence Day on 4 July and Thanksgiving on the fourth Thursday in November. Meetings scheduled around any of these dates should account for both city calendars to avoid no-shows.