Riyadh to Dumas time converter

Dumas is 8 hours behind Riyadh. When it is 9:00 AM in Riyadh, it is 1:00 AM in Dumas.

Riyadh AST

Sunday, October 18, 2026

Dumas CDT

Saturday, October 17, 2026

Riyadh
Saudi Arabia
Sun, Oct 18
ASTUTC+3
Dumas
Texas, United States
Sat, Oct 17
CDTUTC-5-8h
Finding your time zone…
Shared working hours (9:00–18:00)

Riyadh to Dumas conversion table

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

RiyadhDumas
12:00 AM4:00 PM−1 day
1:00 AM5:00 PM−1 day
2:00 AM6:00 PM−1 day
3:00 AM7:00 PM−1 day
4:00 AM8:00 PM−1 day
5:00 AM9:00 PM−1 day
6:00 AM10:00 PM−1 day
7:00 AM11:00 PM−1 day
8:00 AM12:00 AM
9:00 AM1:00 AM
10:00 AM2:00 AM
11:00 AM3:00 AM
12:00 PM4:00 AM
1:00 PM5:00 AM
2:00 PM6:00 AM
3:00 PM7:00 AM
4:00 PM8:00 AM
5:00 PM9:00 AM
6:00 PM10:00 AM
7:00 PM11:00 AM
8:00 PM12:00 PM
9:00 PM1:00 PM
10:00 PM2:00 PM
11:00 PM3:00 PM

Best time to call or meet

Both sides are at work from 5:00 PM – 6:00 PM in Riyadh (9:00 AM – 10:00 AM in Dumas).

Daylight saving time and the difference

The difference changes during the year because Riyadh and Dumas switch clocks on different dates:

  • Oct 18, 2026 – Nov 1, 2026: -8h
  • Nov 1, 2026 – Mar 14, 2027: -9h
  • Mar 14, 2027 – Oct 18, 2027: -8h

Distance

Riyadh and Dumas are 12,521 km (7,780 miles) apart in a straight line.

More conversions

Dumas 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 DumasLondon to DumasLos Angeles to DumasChicago to DumasToronto to DumasSão Paulo to DumasParis to DumasBerlin to DumasMoscow to DumasDubai to DumasNew Delhi to DumasBangkok to Dumas

Questions and answers

What is the time difference between Riyadh and Dumas?

Dumas is 8 hours behind Riyadh.

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

When it is 9:00 AM in Riyadh, it is 1:00 AM in Dumas.

When is the best time to call Dumas from Riyadh?

Both sides are at work from 5:00 PM – 6:00 PM in Riyadh (9:00 AM – 10:00 AM in Dumas).

Does the time difference between Riyadh and Dumas change?

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