Chicago to Helena time converter

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

Chicago CDT

Saturday, October 17, 2026

Helena MDT

Saturday, October 17, 2026

Chicago
Illinois, United States
Sat, Oct 17
CDTUTC-5
Helena
Montana, United States
Sat, Oct 17
MDTUTC-6-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to Helena conversion table

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

ChicagoHelena
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 Helena).

Daylight saving time and the difference

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

  • Oct 17, 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 17, 2027: -1h

Distance

Chicago and Helena are 2,005 km (1,246 miles) apart in a straight line.

More conversions

Helena 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 HelenaLondon to HelenaLos Angeles to HelenaToronto to HelenaSão Paulo to HelenaParis to HelenaBerlin to HelenaMoscow to HelenaDubai to HelenaNew Delhi to HelenaBangkok to HelenaSingapore to Helena

Questions and answers

What is the time difference between Chicago and Helena?

Helena is 1 hour behind Chicago.

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

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

When is the best time to call Helena from Chicago?

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

Does the time difference between Chicago and Helena change?

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