Riyadh to North Tustin time converter

North Tustin is 10 hours behind Riyadh. When it is 9:00 AM in Riyadh, it is 11:00 PM (Mon, Oct 19) in North Tustin.

Riyadh AST

Tuesday, October 20, 2026

North Tustin PDT

Monday, October 19, 2026

Riyadh
Saudi Arabia
Tue, Oct 20
ASTUTC+3
North Tustin
California, United States
Mon, Oct 19
PDTUTC-7-10h
Finding your time zone…
Shared working hours (9:00–18:00)

Riyadh to North Tustin conversion table

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

RiyadhNorth Tustin
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 North Tustin): 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 North Tustin switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: -10h
  • Nov 1, 2026 – Mar 14, 2027: -11h
  • Mar 14, 2027 – Oct 20, 2027: -10h

Distance

Riyadh and North Tustin are 13,313 km (8,272 miles) apart in a straight line.

More conversions

North Tustin 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 North TustinLondon to North TustinLos Angeles to North TustinChicago to North TustinToronto to North TustinSão Paulo to North TustinParis to North TustinBerlin to North TustinMoscow to North TustinDubai to North TustinNew Delhi to North TustinBangkok to North Tustin

Questions and answers

What is the time difference between Riyadh and North Tustin?

North Tustin is 10 hours behind Riyadh.

What time is it in North Tustin when it is 9 AM in Riyadh?

When it is 9:00 AM in Riyadh, it is 11:00 PM (Mon, Oct 19) in North Tustin.

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

Does the time difference between Riyadh and North Tustin change?

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