Riyadh to Columbia time converter

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

Riyadh AST

Sunday, October 18, 2026

Columbia EDT

Sunday, October 18, 2026

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

Riyadh to Columbia conversion table

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

RiyadhColumbia
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 Columbia).

Daylight saving time and the difference

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

  • Oct 18, 2026 – Nov 1, 2026: -7h
  • Nov 1, 2026 – Mar 14, 2027: -8h
  • Mar 14, 2027 – Oct 18, 2027: -7h

Distance

Riyadh and Columbia are 11,471 km (7,128 miles) apart in a straight line.

More conversions

Columbia 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 ColumbiaLondon to ColumbiaLos Angeles to ColumbiaChicago to ColumbiaToronto to ColumbiaSão Paulo to ColumbiaParis to ColumbiaBerlin to ColumbiaMoscow to ColumbiaDubai to ColumbiaNew Delhi to ColumbiaBangkok to Columbia

Questions and answers

What is the time difference between Riyadh and Columbia?

Columbia is 7 hours behind Riyadh.

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

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

When is the best time to call Columbia from Riyadh?

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

Does the time difference between Riyadh and Columbia change?

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