UTC time to Chicago time
Chicago is 6 hours behind UTC in January and 5 hours behind in July (UTC UTC/UTC+00:00 in summer; Chicago GMT-5/UTC−05:00). Enter a UTC time below to convert it, or leave it blank to see the current time in both cities.
How to use the UTC to Chicago time
- Type a UTC time (24-hour) and optionally a date, or leave blank for now.
- Click Convert.
- Read the Chicago time and the working-hours table.
Time difference between UTC and Chicago
Chicago is 6 hours behind UTC in January and 5 hours behind in July. Chicago observes daylight saving time and UTC does not, so the difference changes twice a year. UTC uses UTC time (UTC+00:00 in January, UTC+00:00 in July); Chicago uses America/Chicago (UTC−06:00 in January, UTC−05:00 in July).
Working week in UTC and Chicago
UTC: Coordinated Universal Time never changes and has no daylight saving. It is the reference for aviation, servers, logs and international scheduling; London matches it only in winter.
Chicago: Central Time, one hour behind New York: CDT (UTC−5) in summer, CST (UTC−6) in winter. Weekend Saturday–Sunday.
Quick conversion table (summer difference)
| UTC | Chicago |
|---|---|
| 08:00 | 03:00 |
| 09:00 | 04:00 |
| 10:00 | 05:00 |
| 12:00 | 07:00 |
| 14:00 | 09:00 |
| 16:00 | 11:00 |
| 18:00 | 13:00 |
| 20:00 | 15:00 |
| 22:00 | 17:00 |
Table uses the July difference; the tool above applies the exact rule for any date.
Best time to call between UTC and Chicago
Within normal office hours (09:00–18:00) in both cities: 14:00–17:00 UTC time. For a compromise outside that window, the fairest slots are the ones nearest each side's start or end of day, alternating who takes the inconvenient hour.
Reverse
Need the other direction? See Chicago to UTC, or the general time zone converter.
Frequently asked questions
How many hours ahead is Chicago from UTC?
Chicago is 6 hours behind UTC in January and 5 hours behind in July.
When it is 12:00 noon in UTC, what time is it in Chicago?
07:00 in summer (the same or previous day); use the tool for a specific date.
Does the converter handle daylight saving?
Yes, for the exact date you enter, using the IANA time-zone rules in your browser.
Privacy
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Last updated 2026-09-23.