CDT: Central Daylight Time
11:13 pm CDT
UTC−5
CDT stands for Central Daylight Time, 5 hours behind UTC (UTC−5). It is used in summer in the central US and Canada.
In use
CDT is Chicago’s summer clock. Chicago is on CDT now, until Sunday, November 1, 2026, when it switches to CST (UTC−6).
Daylight saving
CDT itself never moves: it is always UTC−5. The places that use it switch to CST in winter.
Also written CDT
Cuba Daylight Time (UTC−4).
Next changes in Chicago
| Date | Change | Switches to |
|---|---|---|
| Sunday, November 1, 2026 | Back 1 hour | CST UTC−6 |
| Sunday, March 14, 2027 | Forward 1 hour | CDT UTC−5 |
Cities on CDT in summer
Questions
What does CDT stand for?
Central Daylight Time. The same letters are also used for Cuba Daylight Time (UTC−4); this page is about Central Daylight Time.
What time is it in CDT now?
It’s 11:13 pm CDT (UTC−5). CDT is Chicago’s summer clock. Chicago is on CDT now, until Sunday, November 1, 2026, when it switches to CST (UTC−6).
Does CDT change for daylight saving?
CDT itself never moves: it is always UTC−5. The places that use it switch to CST in winter.
Is CDT the same as CST?
No. CDT is UTC−5 and CST is UTC−6, an hour apart. Chicago is on CST in winter and CDT in summer.