Riyadh to Sioux Falls time converter

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

Riyadh AST

Sunday, October 18, 2026

Sioux Falls CDT

Sunday, October 18, 2026

Riyadh
Saudi Arabia
Sun, Oct 18
ASTUTC+3
Sioux Falls
South Dakota, United States
Sun, Oct 18
CDTUTC-5-8h
Finding your time zone…
Shared working hours (9:00–18:00)

Riyadh to Sioux Falls conversion table

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

RiyadhSioux Falls
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 Sioux Falls).

Daylight saving time and the difference

The difference changes during the year because Riyadh and Sioux Falls 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 Sioux Falls are 11,560 km (7,183 miles) apart in a straight line.

More conversions

Sioux Falls 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 Sioux FallsLondon to Sioux FallsLos Angeles to Sioux FallsChicago to Sioux FallsToronto to Sioux FallsSão Paulo to Sioux FallsParis to Sioux FallsBerlin to Sioux FallsMoscow to Sioux FallsDubai to Sioux FallsNew Delhi to Sioux FallsBangkok to Sioux Falls

Questions and answers

What is the time difference between Riyadh and Sioux Falls?

Sioux Falls is 8 hours behind Riyadh.

What time is it in Sioux Falls when it is 9 AM in Riyadh?

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

When is the best time to call Sioux Falls from Riyadh?

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

Does the time difference between Riyadh and Sioux Falls change?

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