Rapid City to Chicago time converter

Chicago is 1 hour ahead of Rapid City. When it is 9:00 AM in Rapid City, it is 10:00 AM in Chicago.

Rapid City MDT

Monday, October 19, 2026

Chicago CDT

Monday, October 19, 2026

Rapid City
South Dakota, United States
Mon, Oct 19
MDTUTC-6
Chicago
Illinois, United States
Mon, Oct 19
CDTUTC-5+1h
Finding your time zone…
Shared working hours (9:00–18:00)

Rapid City to Chicago conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 19, 2026 – Nov 1, 2026: +1h
  • Nov 1, 2026 – Nov 1, 2026: ±0
  • Nov 1, 2026 – Mar 14, 2027: +1h
  • Mar 14, 2027 – Mar 14, 2027: +2h
  • Mar 14, 2027 – Oct 19, 2027: +1h

Distance

Rapid City and Chicago are 1,290 km (802 miles) apart in a straight line.

More conversions

Chicago to Rapid CityRapid City to New YorkRapid City to LondonRapid City to Los AngelesRapid City to TorontoRapid City to São PauloRapid City to ParisRapid City to BerlinRapid City to MoscowRapid City to DubaiRapid City to New DelhiRapid City to BangkokRapid City to Singapore
New York to ChicagoLondon to ChicagoLos Angeles to ChicagoToronto to ChicagoSão Paulo to ChicagoParis to ChicagoBerlin to ChicagoMoscow to ChicagoDubai to ChicagoNew Delhi to ChicagoBangkok to ChicagoSingapore to Chicago

Questions and answers

What is the time difference between Rapid City and Chicago?

Chicago is 1 hour ahead of Rapid City.

What time is it in Chicago when it is 9 AM in Rapid City?

When it is 9:00 AM in Rapid City, it is 10:00 AM in Chicago.

When is the best time to call Chicago from Rapid City?

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

Does the time difference between Rapid City 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.