UTC-09:00
UTC-09:00 means UTC−09:00 throughout the year.
TIME ZONE CONVERTER
Chicago to UTC-09:00
Time Converter
Convert Chicago, United States to UTC-09:00. Compare dates, seasonal differences and meeting hours.
Chicago is 3h or 4h ahead of UTC-09:00 in 2026, depending on the date.
9 AM Chicago = 6 AM UTC-09:00
Selected date: November 4, 2026. Fixed abbreviations retain their stated UTC offsets.
THE QUICK REFERENCE
CSVChicago to UTC-09:00 conversion table
November 4, 2026 · Date changes are marked.
View the full 24-hour table
| Chicago | UTC-09:00 |
|---|---|
| 12:00 AM | 9:00 PM -1 day |
| 1:00 AM | 10:00 PM -1 day |
| 2:00 AM | 11:00 PM -1 day |
| 3:00 AM | 12:00 AM |
| 4:00 AM | 1:00 AM |
| 5:00 AM | 2:00 AM |
| 6:00 AM | 3:00 AM |
| 7:00 AM | 4:00 AM |
| 8:00 AM | 5:00 AM |
| 9:00 AM | 6:00 AM |
| 10:00 AM | 7:00 AM |
| 11:00 AM | 8:00 AM |
| Chicago | UTC-09:00 |
|---|---|
| 12:00 PM | 9:00 AM |
| 1:00 PM | 10:00 AM |
| 2:00 PM | 11:00 AM |
| 3:00 PM | 12:00 PM |
| 4:00 PM | 1:00 PM |
| 5:00 PM | 2:00 PM |
| 6:00 PM | 3:00 PM |
| 7:00 PM | 4:00 PM |
| 8:00 PM | 5:00 PM |
| 9:00 PM | 6:00 PM |
| 10:00 PM | 7:00 PM |
| 11:00 PM | 8:00 PM |
Starting with the UTC-09:00 working day
These examples start on 2026-11-04 in UTC-09:00.
09:00 UTC-09:0012:00 →Chicago · 2026-11-04
17:00 UTC-09:0020:00 →Chicago · 2026-11-04
Which time-zone meaning are we using?
ONE CLOCK TIME. THE WHOLE YEAR.
Year CSV09:00 Chicago to UTC-09:00 throughout 2026
Keeping 09:00 on the Chicago clock produces 2 different destination clock/date answers in 2026. The ranges below use Chicago calendar dates, including transition days.
| Dates in Chicago · 2026 | UTC-09:00 answer | Source → destination offsets | Explore |
|---|---|---|---|
| Jan 1 – Mar 766 dates | 06:00Same date | UTC−06:00 → UTC−09:00 | |
| Mar 8 – Oct 31238 dates | 05:00Same date | UTC−05:00 → UTC−09:00 | |
| Nov 1 – Dec 3161 dates | 06:00Same date | UTC−06:00 → UTC−09:00 |
Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.
DON’T LOSE A DAY
When does Chicago time become a different date in UTC-09:00?
Your complete source day: 2026-11-04. Each range shows which destination date to use.
Chicago · 2026-11-0400:00–03:00UTC−06:00
UTC-09:00 · 2026-11-0321:00–24:00UTC−09:00 Previous day
Chicago · 2026-11-0403:00–24:00UTC−06:00
UTC-09:00 · 2026-11-0400:00–21:00UTC−09:00 Same date
Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.
THE BIGGER PICTURE
2026A year of time differences.
How UTC-09:00 compares with Chicago throughout 2026.
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
−3h
−4h
−3h
Chicago changes its UTC offset in 2026. UTC-09:00 is a fixed offset.
See exact change periods
| From (UTC, inclusive) | Until (UTC, exclusive) | UTC-09:00 vs Chicago |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 8 Mar 2026, 08:00 UTC | 3h behind |
| 8 Mar 2026, 08:00 UTC | 1 Nov 2026, 07:00 UTC | 4h behind |
| 1 Nov 2026, 07:00 UTC | 1 Jan 2027, 00:00 UTC | 3h behind |
CLOCK CHANGES
What changes at the next clock adjustment?
Exact periods outside the most common difference in 2026
The most frequent difference has UTC-09:00 4h behind relative to Chicago. Exceptions:
| From (UTC, inclusive) | Until (UTC, exclusive) | Compared with Chicago |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 8 Mar 2026, 08:00 UTC | 3h behind |
| 1 Nov 2026, 07:00 UTC | 1 Jan 2027, 00:00 UTC | 3h behind |
PLAN BEYOND A SINGLE DAY
Daily CSVChicago–UTC-09:00 working hours through 2026
Every date calculated with your working windows. 261 selected Chicago workdays; public holidays are not applied.
Least shared time4h
Most common4h
Most shared time5h
Days without a 60-min slot0 / 261
A start time that survives the whole year.
Start a 60-minute meeting in Chicago 13:00–16:00.
These starts fit both working windows on every selected Chicago workday in 2026, using a 15-minute start grid. The end of each range is the last valid start.
Chicago: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. UTC-09:00: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.
Calculation details and repeated hours
Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.
THE DETAILS THAT MATTER
Chicago to UTC-09:00: useful answers
Why is the Chicago to UTC-09:00 difference sometimes 3 hours and sometimes 4 hours?
Chicago is 3h or 4h ahead of UTC-09:00 in 2026, depending on the date. Chicago changes its UTC offset in 2026. UTC-09:00 is a fixed offset.
Does the Chicago–UTC-09:00 time difference change in 2026?
The published rules produce 3 periods with 2 different offsets in 2026. See the annual chart for the exact boundaries of each period.
Does this conversion change the calendar date?
09:00 in Chicago on 2026-11-04 is 06:00 in UTC-09:00 on 2026-11-04. This selected time stays on the same date in both places. Other times can cross midnight.
Can Chicago and UTC-09:00 meet during working hours?
Your selected working windows share 5h on 2026-11-04. The planner above checks the whole meeting duration and shows suitable start times. Edit the windows to match your team.
Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology