Singapore and San Francisco Time Difference

Compare Singapore vs San Francisco time, current local times, UTC offset difference, daylight saving status, and the best time to plan meetings or travel.

Quick Answer

What is the time difference between Singapore and San Francisco?

The live comparison below shows both local times, current UTC offsets, daylight saving status, and whether San Francisco is ahead of or behind Singapore.

Current time difference

Singapore, Singapore

Sat, Jul 4, 2026 22:37

Timezone
Asia/Singapore
UTC offset
UTC+08:00
Daylight saving
No

San Francisco, United States

Sat, Jul 4, 2026 07:37

Timezone
America/Los_Angeles
UTC offset
UTC-07:00
Daylight saving
Yes

Time difference

San Francisco is 15 hours behind Singapore

UTC offset difference

-15:00

Suggested call window

Sat, Jul 4, 08:00-09:00 / Fri, Jul 3, 17:00-18:00

Calculated using initiator awake hours of 08:00-23:00 and recipient office hours of 09:00-18:00.

Dynamic Time Difference

Singapore is 15 hours ahead of San Francisco

The difference changes during 2026 because Singapore keeps a fixed UTC offset and San Francisco changes UTC offset during the year. Jan 1-Mar 7: Singapore is 16 hours ahead of San Francisco; Mar 8-Oct 31: Singapore is 15 hours ahead of San Francisco; Nov 1-Dec 31: Singapore is 16 hours ahead of San Francisco.

Singapore

UTC+08:00 · No seasonal offset change detected

San Francisco

UTC-07:00 · Seasonal clock changes; DST is active now

Business Call Window

09:00-18:00 work-hour overlap

The standard workdays do not overlap. Consider 00:00 in Singapore / 09:00 in San Francisco, or 18:00 in Singapore / 03:00 in San Francisco. Confirm the edge-of-day option before calling.

24-Hour Conversion Table

Singapore to San Francisco hourly time conversion

The table uses today's active UTC offsets. Seasonal rows can shift when daylight saving time changes.

SingaporeSan Francisco
00:0009:00 (previous day)
01:0010:00 (previous day)
02:0011:00 (previous day)
03:0012:00 (previous day)
04:0013:00 (previous day)
05:0014:00 (previous day)
06:0015:00 (previous day)
07:0016:00 (previous day)
08:0017:00 (previous day)
09:0018:00 (previous day)
10:0019:00 (previous day)
11:0020:00 (previous day)
12:0021:00 (previous day)
13:0022:00 (previous day)
14:0023:00 (previous day)
15:0000:00
16:0001:00
17:0002:00
18:0003:00
19:0004:00
20:0005:00
21:0006:00
22:0007:00
23:0008:00

FAQ

What is the current time difference between Singapore and San Francisco?

Singapore is 15 hours ahead of San Francisco. This uses the active IANA timezone offsets for today.

When does the Singapore-San Francisco time difference change in 2026?

The difference changes during 2026 because Singapore keeps a fixed UTC offset and San Francisco changes UTC offset during the year. Jan 1-Mar 7: Singapore is 16 hours ahead of San Francisco; Mar 8-Oct 31: Singapore is 15 hours ahead of San Francisco; Nov 1-Dec 31: Singapore is 16 hours ahead of San Francisco.

What are the current UTC offsets for Singapore and San Francisco?

Singapore is currently UTC+08:00; San Francisco is currently UTC-07:00.

Which direction does the clock change when flying from Singapore to San Francisco?

Travelers from Singapore to San Francisco move their clock back by 15 hours.

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