Riyadh to Hesperia time converter

Hesperia is 10 hours behind Riyadh. When it is 9:00 AM in Riyadh, it is 11:00 PM (Sat, Oct 17) in Hesperia.

Riyadh AST

Sunday, October 18, 2026

Hesperia PDT

Sunday, October 18, 2026

Saudi Arabia
Sun, Oct 18
ASTUTC+3
California, United States
Sun, Oct 18
PDTUTC-7-10h
Finding your time zone…

5:39 PM in Riyadh, Sunday, October 18, 2026

Shared working hours (9:00–18:00)

Riyadh to Hesperia conversion table

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

RiyadhHesperia
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 Hesperia): 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 Hesperia 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

Distance

Riyadh and Hesperia are 13,229 km (8,220 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Riyadh and Hesperia?

Hesperia is 10 hours behind Riyadh.

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

When it is 9:00 AM in Riyadh, it is 11:00 PM (Sat, Oct 17) in Hesperia.

When is the best time to call Hesperia 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 Hesperia): working hours on one side, early or late on the other.

Does the time difference between Riyadh and Hesperia change?

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