United States
San Francisco

United States

Singapore
Singapore

Singapore

San Francisco to Singapore Time Difference

Singapore is 15 hours ahead of San Francisco

San FranciscoUnited States
7:01 PM
Wednesday, April 1, 2026
UTC-7
SingaporeSingapore
10:01 AM
Thursday, April 2, 2026
UTC+8

San Francisco vs Singapore — At a Glance

San Francisco
Singapore
Time Zone
UTC-7
UTC+8
Currency
USD
SGD
Language
English
English
Dial Code
+1
+65
Hub Type
tech
finance

San Francisco to Singapore — Hour-by-Hour

San Francisco, United States
Singapore, Singapore
12:00 AM
3:00 PM
1:00 AM
4:00 PM
2:00 AM
5:00 PM
3:00 AM
6:00 PM
4:00 AM
7:00 PM
5:00 AM
8:00 PM
6:00 AM
9:00 PM
7:00 AM
10:00 PM
8:00 AM
11:00 PM
9:00 AM
12:00 AM(Apr 2)
10:00 AM
1:00 AM(Apr 2)
11:00 AM
2:00 AM(Apr 2)
12:00 PM
3:00 AM(Apr 2)
1:00 PM
4:00 AM(Apr 2)
2:00 PM
5:00 AM(Apr 2)
3:00 PM
6:00 AM(Apr 2)
4:00 PM
7:00 AM(Apr 2)
5:00 PM
8:00 AM(Apr 2)
6:00 PM
9:00 AM(Apr 2)
7:00 PM
10:00 AM(Apr 2)
8:00 PM
11:00 AM(Apr 2)
9:00 PM
12:00 PM(Apr 2)
10:00 PM
1:00 PM(Apr 2)
11:00 PM
2:00 PM(Apr 2)

About San Francisco and Singapore

San Francisco (population: 0.87M) is known for Silicon Valley, the Golden Gate Bridge, venture capital, and the global tech industry. Singapore (population: 5.7M) is known for Asia's financial hub, Marina Bay Sands, Changi Airport, and strict governance.

Business Hours Overlap

The 15-hour gap means San Francisco and Singapore have almost no standard-hours overlap. Early morning calls from San Francisco or late evening calls from Singapore are the most practical options.

Calling Between Cities

With 15 hours between San Francisco (+1) and Singapore (+65), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.

Currency

San Francisco uses USD while Singapore uses SGD. Check current exchange rates before making payments or transferring funds between the two cities.

Language

San Francisco and Singapore share English as a common language, which simplifies business communication.

Use our world clock tool to compare San Francisco and Singapore visually, or browse more timezone conversions.

Frequently Asked Questions

What is the time difference between San Francisco and Singapore?

Singapore, Singapore is 15 hours ahead of San Francisco, United States. San Francisco is in the America/Los Angeles timezone (UTC-7) and Singapore is in the Asia/Singapore timezone (UTC+8).

When it's noon in San Francisco, what time is it in Singapore?

When it's 12:00 PM (noon) in San Francisco, it's 3:00 AM in Singapore.

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

The best time to call Singapore from San Francisco is during the overlapping business hours. When it's 9 AM in San Francisco, it's 12:00 AM in Singapore. Aim for late morning to early afternoon in San Francisco for the best chance of reaching someone during working hours.

What currency does Singapore use?

Singapore, Singapore uses SGD. San Francisco uses USD. You will need to check the current exchange rate for transactions between the two.

What language is spoken in Singapore?

The primary languages in Singapore are English, Mandarin, Malay, Tamil. San Francisco also speaks English, making communication easier.

How do I dial Singapore from San Francisco?

To call Singapore from San Francisco, dial your international access code followed by +65 and the local number. San Francisco uses country code +1 and Singapore uses +65.

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