Riyadh to Tucson time converter

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

Riyadh AST

Sunday, October 18, 2026

Tucson MST

Saturday, October 17, 2026

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

Riyadh to Tucson conversion table

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

RiyadhTucson
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 Tucson): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference stays 10 hours all year.

Distance

Riyadh and Tucson are 13,257 km (8,238 miles) apart in a straight line.

More conversions

Tucson 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 TucsonLondon to TucsonLos Angeles to TucsonChicago to TucsonToronto to TucsonSão Paulo to TucsonParis to TucsonBerlin to TucsonMoscow to TucsonDubai to TucsonNew Delhi to TucsonBangkok to Tucson

Questions and answers

What is the time difference between Riyadh and Tucson?

Tucson is 10 hours behind Riyadh.

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

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

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

Does the time difference between Riyadh and Tucson change?

No. The difference stays 10 hours all year.