Riyadh to Oak Forest time converter

Oak Forest is 8 hours behind Riyadh. When it is 9:00 AM in Riyadh, it is 1:00 AM in Oak Forest.

Riyadh AST

Sunday, October 18, 2026

Oak Forest CDT

Sunday, October 18, 2026

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

Riyadh to Oak Forest conversion table

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

RiyadhOak Forest
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 Oak Forest).

Daylight saving time and the difference

The difference changes during the year because Riyadh and Oak Forest 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 Oak Forest are 11,281 km (7,010 miles) apart in a straight line.

More conversions

Oak Forest 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 Oak ForestLondon to Oak ForestLos Angeles to Oak ForestChicago to Oak ForestToronto to Oak ForestSão Paulo to Oak ForestParis to Oak ForestBerlin to Oak ForestMoscow to Oak ForestDubai to Oak ForestNew Delhi to Oak ForestBangkok to Oak Forest

Questions and answers

What is the time difference between Riyadh and Oak Forest?

Oak Forest is 8 hours behind Riyadh.

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

When it is 9:00 AM in Riyadh, it is 1:00 AM in Oak Forest.

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

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

Does the time difference between Riyadh and Oak Forest change?

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