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Chicago to Denver time

Local time in Denver, United States, compared with Chicago, United States — hour by hour, through 2026 and 2027.

Draft page. The time data below is computed from the IANA database and is accurate; the editorial sections are still being written. This page is excluded from the sitemap and marked noindex until then.

Right now it is in Chicago and in Denver. (Needs JavaScript. Everything below works without it.)

Time difference at a glance

Standard and daylight saving offsets for Chicago and Denver in 2026 and 2027
City Standard time Daylight saving IANA time zone
Chicago, United States UTC-06:00 UTC-05:00 America/Chicago
Denver, United States UTC-07:00 UTC-06:00 America/Denver

1 January 2026 – 31 December 2027: Denver is 1 hour behind Chicago.

Days when the gap shifts

On these dates the clocks move, so the gap changes partway through the day. That is why they sit outside the periods above rather than inside one of them.

  • 8 March 2026 — Chicago and Denver change their clocks. Denver is 1 hour behind on both sides of the change. Between the two changes (08:00–09:00 UTC, 1 hour) Denver is briefly 2 hours behind.
  • 1 November 2026 — Chicago and Denver change their clocks. Denver is 1 hour behind on both sides of the change. Between the two changes (07:00–08:00 UTC, 1 hour) Denver is briefly the same time.
  • 14 March 2027 — Chicago and Denver change their clocks. Denver is 1 hour behind on both sides of the change. Between the two changes (08:00–09:00 UTC, 1 hour) Denver is briefly 2 hours behind.
  • 7 November 2027 — Chicago and Denver change their clocks. Denver is 1 hour behind on both sides of the change. Between the two changes (07:00–08:00 UTC, 1 hour) Denver is briefly the same time.

When each city's clocks move, 2026 and 2027

  • Chicago: clocks go forward on 8 March 2026 (UTC-06:00 → UTC-05:00)
  • Chicago: clocks go back on 1 November 2026 (UTC-05:00 → UTC-06:00)
  • Denver: clocks go forward on 8 March 2026 (UTC-07:00 → UTC-06:00)
  • Denver: clocks go back on 1 November 2026 (UTC-06:00 → UTC-07:00)
  • Chicago: clocks go forward on 14 March 2027 (UTC-06:00 → UTC-05:00)
  • Chicago: clocks go back on 7 November 2027 (UTC-05:00 → UTC-06:00)
  • Denver: clocks go forward on 14 March 2027 (UTC-07:00 → UTC-06:00)
  • Denver: clocks go back on 7 November 2027 (UTC-06:00 → UTC-07:00)

Best time to schedule a call

  • 10:00–17:00 in Chicago is 09:00–16:00 in Denver — 7 hours of shared working time.

24-hour conversion

Each row is one hour of the day in Chicago, with the matching local time in Denver.

Hour by hour conversion from Chicago to Denver
Chicago Denver Both at work?
00:00 23:00 (previous day) Outside hours
01:00 00:00 Outside hours
02:00 01:00 Outside hours
03:00 02:00 Outside hours
04:00 03:00 Outside hours
05:00 04:00 Outside hours
06:00 05:00 Outside hours
07:00 06:00 Outside hours
08:00 07:00 Outside hours
09:00 08:00 One side only
10:00 09:00 Yes — good for a call
11:00 10:00 Yes — good for a call
12:00 11:00 Yes — good for a call
13:00 12:00 Yes — good for a call
14:00 13:00 Yes — good for a call
15:00 14:00 Yes — good for a call
16:00 15:00 Yes — good for a call
17:00 16:00 One side only
18:00 17:00 Outside hours
19:00 18:00 Outside hours
20:00 19:00 Outside hours
21:00 20:00 Outside hours
22:00 21:00 Outside hours
23:00 22:00 Outside hours