Chicago to Highlands Ranch time converter

Highlands Ranch is 1 hour behind Chicago. When it is 9:00 AM in Chicago, it is 8:00 AM in Highlands Ranch.

Chicago CDT

Sunday, October 18, 2026

Highlands Ranch MDT

Sunday, October 18, 2026

Illinois, United States
Sun, Oct 18
CDTUTC-5
Colorado, United States
Sun, Oct 18
MDTUTC-6-1h
Finding your time zone…

12:17 PM in Chicago, Sunday, October 18, 2026

Shared working hours (9:00–18:00)

Chicago to Highlands Ranch conversion table

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

ChicagoHighlands Ranch
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 Highlands Ranch).

Daylight saving time and the difference

The difference changes during the year because Chicago and Highlands Ranch 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 Highlands Ranch are 1,480 km (920 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Chicago and Highlands Ranch?

Highlands Ranch is 1 hour behind Chicago.

What time is it in Highlands Ranch when it is 9 AM in Chicago?

When it is 9:00 AM in Chicago, it is 8:00 AM in Highlands Ranch.

When is the best time to call Highlands Ranch from Chicago?

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

Does the time difference between Chicago and Highlands Ranch change?

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