Riyadh to Lamont time converter

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

Riyadh AST

Sunday, October 18, 2026

Lamont PDT

Saturday, October 17, 2026

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

Riyadh to Lamont conversion table

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

RiyadhLamont
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 Lamont): 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 Lamont 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 Lamont are 13,180 km (8,190 miles) apart in a straight line.

More conversions

Lamont 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 LamontLondon to LamontLos Angeles to LamontChicago to LamontToronto to LamontSão Paulo to LamontParis to LamontBerlin to LamontMoscow to LamontDubai to LamontNew Delhi to LamontBangkok to Lamont

Questions and answers

What is the time difference between Riyadh and Lamont?

Lamont is 10 hours behind Riyadh.

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

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

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

Does the time difference between Riyadh and Lamont change?

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