Riyadh to Bismarck time converter

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

Riyadh AST

Sunday, October 18, 2026

Bismarck CDT

Sunday, October 18, 2026

Saudi Arabia
Sun, Oct 18
ASTUTC+3
North Dakota, United States
Sun, Oct 18
CDTUTC-5-8h
Finding your time zone…

3:14 PM in Riyadh, Sunday, October 18, 2026

Shared working hours (9:00–18:00)

Riyadh to Bismarck conversion table

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

RiyadhBismarck
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 Bismarck).

Daylight saving time and the difference

The difference changes during the year because Riyadh and Bismarck 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 Bismarck are 11,421 km (7,097 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Riyadh and Bismarck?

Bismarck is 8 hours behind Riyadh.

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

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

When is the best time to call Bismarck from Riyadh?

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

Does the time difference between Riyadh and Bismarck change?

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