Chicago to Ulaanbaatar time converter

Ulaanbaatar is 13 hours ahead of Chicago. When it is 9:00 AM in Chicago, it is 10:00 PM in Ulaanbaatar.

Chicago CDT

Friday, October 16, 2026

Ulaanbaatar UTC+8

Saturday, October 17, 2026

Chicago
Illinois, United States
Fri, Oct 16
CDTUTC-5
Ulaanbaatar
Mongolia
Sat, Oct 17
UTC+8+13h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to Ulaanbaatar conversion table

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

ChicagoUlaanbaatar
12:00 AM1:00 PM
1:00 AM2:00 PM
2:00 AM3:00 PM
3:00 AM4:00 PM
4:00 AM5:00 PM
5:00 AM6:00 PM
6:00 AM7:00 PM
7:00 AM8:00 PM
8:00 AM9:00 PM
9:00 AM10:00 PM
10:00 AM11:00 PM
11:00 AM12:00 AM+1 day
12:00 PM1:00 AM+1 day
1:00 PM2:00 AM+1 day
2:00 PM3:00 AM+1 day
3:00 PM4:00 AM+1 day
4:00 PM5:00 AM+1 day
5:00 PM6:00 AM+1 day
6:00 PM7:00 AM+1 day
7:00 PM8:00 AM+1 day
8:00 PM9:00 AM+1 day
9:00 PM10:00 AM+1 day
10:00 PM11:00 AM+1 day
11:00 PM12:00 PM+1 day

Best time to call or meet

Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in Chicago (9:00 AM – 11:00 AM in Ulaanbaatar): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 16, 2026 – Nov 1, 2026: +13h
  • Nov 1, 2026 – Mar 14, 2027: +14h
  • Mar 14, 2027 – Oct 16, 2027: +13h

Distance

Chicago and Ulaanbaatar are 9,933 km (6,172 miles) apart in a straight line.

More conversions

Ulaanbaatar to ChicagoChicago to New YorkChicago to LondonChicago to Los AngelesChicago to TorontoChicago to São PauloChicago to ParisChicago to BerlinChicago to MoscowChicago to DubaiChicago to New DelhiChicago to BangkokChicago to Singapore
New York to UlaanbaatarLondon to UlaanbaatarLos Angeles to UlaanbaatarToronto to UlaanbaatarSão Paulo to UlaanbaatarParis to UlaanbaatarBerlin to UlaanbaatarMoscow to UlaanbaatarDubai to UlaanbaatarNew Delhi to UlaanbaatarBangkok to UlaanbaatarSingapore to Ulaanbaatar

Questions and answers

What is the time difference between Chicago and Ulaanbaatar?

Ulaanbaatar is 13 hours ahead of Chicago.

What time is it in Ulaanbaatar when it is 9 AM in Chicago?

When it is 9:00 AM in Chicago, it is 10:00 PM in Ulaanbaatar.

When is the best time to call Ulaanbaatar from Chicago?

Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in Chicago (9:00 AM – 11:00 AM in Ulaanbaatar): working hours on one side, early or late on the other.

Does the time difference between Chicago and Ulaanbaatar change?

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