Crystal Lake to Riyadh time converter

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

Crystal Lake CDT

Monday, October 19, 2026

Riyadh AST

Monday, October 19, 2026

Illinois, United States
Mon, Oct 19
CDTUTC-5
Saudi Arabia
Mon, Oct 19
ASTUTC+3+8h
Finding your time zone…

11:12 AM in Crystal Lake, Monday, October 19, 2026

Shared working hours (9:00–18:00)

Crystal Lake to Riyadh conversion table

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

Crystal LakeRiyadh
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 Crystal Lake (5:00 PM – 6:00 PM in Riyadh).

Daylight saving time and the difference

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

  • Oct 19, 2026 – Nov 1, 2026: +8h
  • Nov 1, 2026 – Mar 14, 2027: +9h
  • Mar 14, 2027 – Oct 19, 2027: +8h

Distance

Crystal Lake and Riyadh are 11,259 km (6,996 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Crystal Lake and Riyadh?

Riyadh is 8 hours ahead of Crystal Lake.

What time is it in Riyadh when it is 9 AM in Crystal Lake?

When it is 9:00 AM in Crystal Lake, it is 5:00 PM in Riyadh.

When is the best time to call Riyadh from Crystal Lake?

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

Does the time difference between Crystal Lake 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.