Singapore zone
GMT+8 (GMT+8)
San Francisco zone
PDT (GMT-7)
Difference
15 hours behind Singapore
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in Singapore. Filled cells mark when 9 AM – 5 PM in Singapore and San Francisco both apply.
0 hours per day
- Singapore
- GMT+8
- San Francisco
- GMT-7
- Difference
- -15h
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in San Francisco for an hour in Singapore.
| Singapore | San Francisco | Day | Window |
|---|---|---|---|
| 12:00 AM | 9:00 AM | previous day | — |
| 1:00 AM | 10:00 AM | previous day | — |
| 2:00 AM | 11:00 AM | previous day | — |
| 3:00 AM | 12:00 PM | previous day | — |
| 4:00 AM | 1:00 PM | previous day | — |
| 5:00 AM | 2:00 PM | previous day | — |
| 6:00 AM | 3:00 PM | previous day | — |
| 7:00 AM | 4:00 PM | previous day | — |
| 8:00 AM | 5:00 PM | previous day | — |
| 9:00 AM | 6:00 PM | previous day | — |
| 10:00 AM | 7:00 PM | previous day | — |
| 11:00 AM | 8:00 PM | previous day | — |
| 12:00 PM | 9:00 PM | previous day | — |
| 1:00 PM | 10:00 PM | previous day | — |
| 2:00 PM | 11:00 PM | previous day | — |
| 3:00 PM | 12:00 AM | same day | — |
| 4:00 PM | 1:00 AM | same day | — |
| 5:00 PM | 2:00 AM | same day | — |
| 6:00 PM | 3:00 AM | same day | — |
| 7:00 PM | 4:00 AM | same day | — |
| 8:00 PM | 5:00 AM | same day | — |
| 9:00 PM | 6:00 AM | same day | — |
| 10:00 PM | 7:00 AM | same day | — |
| 11:00 PM | 8:00 AM | same day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in Singapore and San Francisco do not overlap. Plan calls for early Singapore morning or late Singapore evening, and rotate the burden between sides.
Tighter overlap is achievable by having the side with later working hours start earlier, or by treating the first and last hours of each side as flexible. The bar above marks every hour where both cities sit inside a 9 AM – 5 PM window.
About converting Singapore time to San Francisco time
Singapore follows the Asia/Singapore time zone (currently GMT+8, GMT+8), while San Francisco follows America/Los_Angeles (currently PDT, GMT-7). San Francisco is 15 hours behind Singapore right now.
San Francisco observes daylight saving time, while Singapore does not. The offset between the two cities changes by one hour at the daylight saving transitions.
Daylight saving transitions in 2026
Singapore
Does not observe daylight saving time.
San Francisco
- Spring forward · Sunday, March 8, 2026
- Fall back · Sunday, November 1, 2026
Reverse this conversion
San Francisco to Singapore
Open the converter
Plan a meeting between Singapore and San Francisco
More conversions from Singapore
Frequently asked questions
- How many hours is Singapore from San Francisco?
- San Francisco is 15 hours behind Singapore right now.
- What time is 9:00 AM Singapore in San Francisco?
- 9:00 AM in Singapore is 6:00 PM (previous day) in San Francisco.
- What time is 5:00 PM Singapore in San Francisco?
- 5:00 PM in Singapore is 2:00 AM in San Francisco.
- When do Singapore and San Francisco business hours overlap?
- Standard 9 AM - 5 PM working hours in Singapore and San Francisco do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between Singapore and San Francisco?
- San Francisco observes daylight saving time while Singapore does not, so the offset between them changes by one hour twice a year.
Local time page
Time in Singapore
Local time page
Time in San Francisco