Sioux Falls to Riyadh time converter

Riyadh is 8 hours ahead of Sioux Falls. When it is 9:00 AM in Sioux Falls, it is 5:00 PM in Riyadh.

Sioux Falls CDT

Sunday, October 18, 2026

Riyadh AST

Sunday, October 18, 2026

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

Sioux Falls to Riyadh conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Sioux Falls and Riyadh 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

Sioux Falls and Riyadh are 11,560 km (7,183 miles) apart in a straight line.

More conversions

Riyadh to Sioux FallsSioux Falls to New YorkSioux Falls to LondonSioux Falls to Los AngelesSioux Falls to ChicagoSioux Falls to TorontoSioux Falls to São PauloSioux Falls to ParisSioux Falls to BerlinSioux Falls to MoscowSioux Falls to DubaiSioux Falls to New DelhiSioux Falls to Bangkok
New York to RiyadhLondon to RiyadhLos Angeles to RiyadhChicago to RiyadhToronto to RiyadhSão Paulo to RiyadhParis to RiyadhBerlin to RiyadhMoscow to RiyadhDubai to RiyadhNew Delhi to RiyadhBangkok to Riyadh

Questions and answers

What is the time difference between Sioux Falls and Riyadh?

Riyadh is 8 hours ahead of Sioux Falls.

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

When it is 9:00 AM in Sioux Falls, it is 5:00 PM in Riyadh.

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

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

Does the time difference between Sioux Falls and Riyadh change?

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