Riyadh to San Francisco time converter

San Francisco is 10 hours behind Riyadh. When it is 9:00 AM in Riyadh, it is 11:00 PM (Sun, Oct 18) in San Francisco.

Riyadh AST

Monday, October 19, 2026

San Francisco PDT

Monday, October 19, 2026

Riyadh
Saudi Arabia
Mon, Oct 19
ASTUTC+3
San Francisco
California, United States
Mon, Oct 19
PDTUTC-7-10h
Finding your time zone…
Shared working hours (9:00–18:00)

Riyadh to San Francisco conversion table

Every hour of today in Riyadh and the matching time in San Francisco. Light rows are typical working hours (9:00–18:00).

RiyadhSan Francisco
12:00 AM2:00 PM−1 day
1:00 AM3:00 PM−1 day
2:00 AM4:00 PM−1 day
3:00 AM5:00 PM−1 day
4:00 AM6:00 PM−1 day
5:00 AM7:00 PM−1 day
6:00 AM8:00 PM−1 day
7:00 AM9:00 PM−1 day
8:00 AM10:00 PM−1 day
9:00 AM11:00 PM−1 day
10:00 AM12:00 AM
11:00 AM1:00 AM
12:00 PM2:00 AM
1:00 PM3:00 AM
2:00 PM4:00 AM
3:00 PM5:00 AM
4:00 PM6:00 AM
5:00 PM7:00 AM
6:00 PM8:00 AM
7:00 PM9:00 AM
8:00 PM10:00 AM
9:00 PM11:00 AM
10:00 PM12:00 PM
11:00 PM1:00 PM

Best time to call or meet

Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in Riyadh (7:00 AM – 8:00 AM in San Francisco): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Riyadh and San Francisco switch clocks on different dates:

  • Oct 19, 2026 – Nov 1, 2026: -10h
  • Nov 1, 2026 – Mar 14, 2027: -11h
  • Mar 14, 2027 – Oct 19, 2027: -10h

Distance

Riyadh and San Francisco are 12,978 km (8,064 miles) apart in a straight line.

More conversions

San Francisco to RiyadhRiyadh to New YorkRiyadh to LondonRiyadh to Los AngelesRiyadh to ChicagoRiyadh to TorontoRiyadh to São PauloRiyadh to ParisRiyadh to BerlinRiyadh to MoscowRiyadh to DubaiRiyadh to New DelhiRiyadh to Bangkok
New York to San FranciscoLondon to San FranciscoLos Angeles to San FranciscoChicago to San FranciscoToronto to San FranciscoSão Paulo to San FranciscoParis to San FranciscoBerlin to San FranciscoMoscow to San FranciscoDubai to San FranciscoNew Delhi to San FranciscoBangkok to San Francisco

Questions and answers

What is the time difference between Riyadh and San Francisco?

San Francisco is 10 hours behind Riyadh.

What time is it in San Francisco when it is 9 AM in Riyadh?

When it is 9:00 AM in Riyadh, it is 11:00 PM (Sun, Oct 18) in San Francisco.

When is the best time to call San Francisco from Riyadh?

Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in Riyadh (7:00 AM – 8:00 AM in San Francisco): working hours on one side, early or late on the other.

Does the time difference between Riyadh and San Francisco change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.