Riyadh to Sumter time converter

Sumter is 7 hours behind Riyadh. When it is 9:00 AM in Riyadh, it is 2:00 AM in Sumter.

Riyadh AST

Saturday, October 17, 2026

Sumter EDT

Saturday, October 17, 2026

Riyadh
Saudi Arabia
Sat, Oct 17
ASTUTC+3
Sumter
South Carolina, United States
Sat, Oct 17
EDTUTC-4-7h
Finding your time zone…
Shared working hours (9:00–18:00)

Riyadh to Sumter conversion table

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

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

Best time to call or meet

Both sides are at work from 4:00 PM – 6:00 PM in Riyadh (9:00 AM – 11:00 AM in Sumter).

Daylight saving time and the difference

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

  • Oct 17, 2026 – Nov 1, 2026: -7h
  • Nov 1, 2026 – Mar 14, 2027: -8h
  • Mar 14, 2027 – Oct 17, 2027: -7h

Distance

Riyadh and Sumter are 11,429 km (7,102 miles) apart in a straight line.

More conversions

Sumter 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 SumterLondon to SumterLos Angeles to SumterChicago to SumterToronto to SumterSão Paulo to SumterParis to SumterBerlin to SumterMoscow to SumterDubai to SumterNew Delhi to SumterBangkok to Sumter

Questions and answers

What is the time difference between Riyadh and Sumter?

Sumter is 7 hours behind Riyadh.

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

When it is 9:00 AM in Riyadh, it is 2:00 AM in Sumter.

When is the best time to call Sumter from Riyadh?

Both sides are at work from 4:00 PM – 6:00 PM in Riyadh (9:00 AM – 11:00 AM in Sumter).

Does the time difference between Riyadh and Sumter change?

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