Ras Tanura to Chicago time converter

Chicago is 8 hours behind Ras Tanura. When it is 9:00 AM in Ras Tanura, it is 1:00 AM in Chicago.

Ras Tanura AST

Tuesday, October 20, 2026

Chicago CDT

Tuesday, October 20, 2026

Saudi Arabia
Tue, Oct 20
ASTUTC+3
Illinois, United States
Tue, Oct 20
CDTUTC-5-8h
Finding your time zone…

3:34 PM in Ras Tanura, Tuesday, October 20, 2026

Shared working hours (9:00–18:00)

Ras Tanura to Chicago conversion table

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

Ras TanuraChicago
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 Ras Tanura (9:00 AM – 10:00 AM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Ras Tanura and Chicago switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: -8h
  • Nov 1, 2026 – Mar 14, 2027: -9h
  • Mar 14, 2027 – Oct 20, 2027: -8h

Distance

Ras Tanura and Chicago are 11,241 km (6,985 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Ras Tanura and Chicago?

Chicago is 8 hours behind Ras Tanura.

What time is it in Chicago when it is 9 AM in Ras Tanura?

When it is 9:00 AM in Ras Tanura, it is 1:00 AM in Chicago.

When is the best time to call Chicago from Ras Tanura?

Both sides are at work from 5:00 PM – 6:00 PM in Ras Tanura (9:00 AM – 10:00 AM in Chicago).

Does the time difference between Ras Tanura and Chicago change?

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