| Current: | CDT — Central Daylight Time |
|---|---|
| Next Change: | CST — Central Standard Time |
| Current Offset: | UTC/GMT -5 hours |
| Difference: | 1 hour behind Columbus |
2025 Time Zones - Chicago
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
The graph above illustrates clock changes in Chicago during 2025.
Time Changes in Chicago Over the Years
Daylight Saving Time (DST) changes do not necessarily occur on the same date every year.
| Year | Date & Time | Abbreviation | Time Change | Offset After |
|---|---|---|---|---|
| 1850 — 1882 | No changes, UTC -5:50:36 hours all of the period | |||
| 1883 | Sun, Nov 18 at 12:09 pm | LMT → CST | -0:09:24 hours (TZ change) | UTC-6h |
| 1884 — 1899 | No changes, UTC -6 hours all of the period | |||
| * All times are local Chicago time. | ||||
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Chicago
USA
11:0935am
Thursday, May 8, 2025