Riyadh to Hercules time converter

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

Riyadh AST

Sunday, October 18, 2026

Hercules PDT

Saturday, October 17, 2026

Riyadh
Saudi Arabia
Sun, Oct 18
ASTUTC+3
Hercules
California, United States
Sat, Oct 17
PDTUTC-7-10h
Finding your time zone…
Shared working hours (9:00–18:00)

Riyadh to Hercules conversion table

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

RiyadhHercules
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 Hercules): 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 Hercules 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 Hercules are 12,949 km (8,046 miles) apart in a straight line.

More conversions

Hercules 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 HerculesLondon to HerculesLos Angeles to HerculesChicago to HerculesToronto to HerculesSão Paulo to HerculesParis to HerculesBerlin to HerculesMoscow to HerculesDubai to HerculesNew Delhi to HerculesBangkok to Hercules

Questions and answers

What is the time difference between Riyadh and Hercules?

Hercules is 10 hours behind Riyadh.

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

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

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

Does the time difference between Riyadh and Hercules change?

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