Chicago to Rapid City time converter

Rapid City is 1 hour behind Chicago. When it is 9:00 AM in Chicago, it is 8:00 AM in Rapid City.

Chicago CDT

Sunday, October 18, 2026

Rapid City MDT

Sunday, October 18, 2026

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

Chicago to Rapid City conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 18, 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 18, 2027: -1h

Distance

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

More conversions

Rapid City 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 Rapid CityLondon to Rapid CityLos Angeles to Rapid CityToronto to Rapid CitySão Paulo to Rapid CityParis to Rapid CityBerlin to Rapid CityMoscow to Rapid CityDubai to Rapid CityNew Delhi to Rapid CityBangkok to Rapid CitySingapore to Rapid City

Questions and answers

What is the time difference between Chicago and Rapid City?

Rapid City is 1 hour behind Chicago.

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

When it is 9:00 AM in Chicago, it is 8:00 AM in Rapid City.

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

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

Does the time difference between Chicago and Rapid City change?

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