Singapore to San Francisco Time Difference

San Francisco is 15 hours behind Singapore. When it is noon in Singapore, it is 21:00 in San Francisco.

Singapore (UTC+8)Los Angeles (UTC-7)

Singapore

Singapore

⏱️15 hours behind
20:45

Sat, Apr 25

📞 +65💱 SGD

San Francisco

United States

05:45

Sat, Apr 25

📞 +1💱 USD

🕐 Interactive Time Explorer

When it's 12:00 in Singapore, it's 21:00 in San Francisco

Drag the slider to see corresponding times in both cities

12:00
0:006:0012:0018:0023:00
Singapore
12:00
San Francisco
21:00(-1)
Add to Google Calendar

🤝 Best Meeting Times

Singapore & San Francisco
Times shown in Singapore time
Excellent - Both in office
Good - Flexible hours

◐ Extended Hours (5 hours)

✈️ Travel Information

Distance

13,582 km

Est. Flight Time

~17h

Time Difference

-15h

Work Hours Overlap

0h

None

🔴 Office Closed

No overlap available

No overlap

⏰ Quick Conversion

06:00

Singapore

15:00

San Francisco (-1)

09:00

Singapore

18:00

San Francisco (-1)

12:00

Singapore

21:00

San Francisco (-1)

15:00

Singapore

00:00

San Francisco

18:00

Singapore

03:00

San Francisco

21:00

Singapore

06:00

San Francisco

00:00

Singapore

09:00

San Francisco (-1)

03:00

Singapore

12:00

San Francisco (-1)

Frequently Asked Questions

How many hours is Singapore ahead of San Francisco?

San Francisco is 15 hours behind Singapore. When it is 12:00 noon in Singapore, it is 21:00 in San Francisco. Singapore operates on Asia/Singapore (UTC+8), while San Francisco uses America/Los Angeles (UTC-7).

What is the best time to call San Francisco from Singapore?

Standard business hours (9 AM–5 PM) do not overlap between Singapore and San Francisco due to the 15 hours difference. Consider early morning or late evening calls, or use async communication.

Does the Singapore to San Francisco time difference change throughout the year?

The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.

Flying between Singapore and San Francisco

The distance between Singapore and San Francisco is approximately 13,582 km. A direct flight typically takes around 17 hours. Your arrival clock will show local San Francisco time — use our Flight Time Calculator to predict exact arrival times.