California to Riyadh time converter

Riyadh is 10 hours ahead of California. When it is 9:00 AM in California, it is 7:00 PM in Riyadh.

California PDT

Sunday, October 18, 2026

Riyadh AST

Monday, October 19, 2026

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

California to Riyadh conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 18, 2026 – Nov 1, 2026: +10h
  • Nov 1, 2026 – Mar 14, 2027: +11h
  • Mar 14, 2027 – Oct 18, 2027: +10h

More conversions

Riyadh to CaliforniaCalifornia to New YorkCalifornia to LondonCalifornia to Los AngelesCalifornia to ChicagoCalifornia to TorontoCalifornia to São PauloCalifornia to ParisCalifornia to BerlinCalifornia to MoscowCalifornia to DubaiCalifornia to New DelhiCalifornia to Bangkok
New York to RiyadhLondon to RiyadhLos Angeles to RiyadhChicago to RiyadhToronto to RiyadhSão Paulo to RiyadhParis to RiyadhBerlin to RiyadhMoscow to RiyadhDubai to RiyadhNew Delhi to RiyadhBangkok to Riyadh

Questions and answers

What is the time difference between California and Riyadh?

Riyadh is 10 hours ahead of California.

What time is it in Riyadh when it is 9 AM in California?

When it is 9:00 AM in California, it is 7:00 PM in Riyadh.

When is the best time to call Riyadh from California?

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

Does the time difference between California and Riyadh change?

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