Oak Forest to Riyadh time converter

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

Oak Forest CDT

Saturday, October 17, 2026

Riyadh AST

Sunday, October 18, 2026

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

Oak Forest to Riyadh conversion table

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

Oak ForestRiyadh
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 Oak Forest (5:00 PM – 6:00 PM in Riyadh).

Daylight saving time and the difference

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

  • Oct 17, 2026 – Nov 1, 2026: +8h
  • Nov 1, 2026 – Mar 14, 2027: +9h
  • Mar 14, 2027 – Oct 17, 2027: +8h

Distance

Oak Forest and Riyadh are 11,281 km (7,010 miles) apart in a straight line.

More conversions

Riyadh to Oak ForestOak Forest to New YorkOak Forest to LondonOak Forest to Los AngelesOak Forest to ChicagoOak Forest to TorontoOak Forest to São PauloOak Forest to ParisOak Forest to BerlinOak Forest to MoscowOak Forest to DubaiOak Forest to New DelhiOak Forest 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 Oak Forest and Riyadh?

Riyadh is 8 hours ahead of Oak Forest.

What time is it in Riyadh when it is 9 AM in Oak Forest?

When it is 9:00 AM in Oak Forest, it is 5:00 PM in Riyadh.

When is the best time to call Riyadh from Oak Forest?

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

Does the time difference between Oak Forest 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.