CDT time now
Central Daylight TimeUTC−5
CDT is in use now in Chicago.
CDT in other time zones, now
Observatory log
CDT, observed
- 01Stands for
Central Daylight Time
UTC−5 ·
America/Chicago- 02When it is used
CDT is the summer (daylight saving) time of Chicago; in winter the clocks return to CST.
Nowin use in Chicago until 1 November 2026
Thenin use in Chicago from 14 March 2027 to 7 November 2027
- 03In use right now
In 12 time zones
Chicago, Ciudad Juárez, Winnipeg, Reynosa, Iron Mountain, Rankin Inlet, Resolute, Knox, Tell City, Beulah, Center, New Salem
Part of the next 12 months: Chicago, Ciudad Juárez, Winnipeg, Reynosa, Iron Mountain, Rankin Inlet, Resolute, Knox.
Meanings
CDT can mean more than one time
Abbreviations are not unique. Check which one is meant before you convert a time; an IANA zone or a city name is never ambiguous.
- Central Daylight TimeUTC−5this page
- Cuba Daylight TimeUTC−4
America/Havana
Questions
Asked about CDT
What is CDT?
CDT stands for Central Daylight Time, which is UTC−5. The clock at the top of this page shows the current CDT time, live. The letters CDT are also used for: Cuba Daylight Time (UTC−4).
Is CDT in use right now?
CDT is in use now in Chicago. CDT is the summer (daylight saving) time of Chicago; in winter the clocks return to CST.
Is it CDT or CST now?
Chicago is on CDT now, until 1 November 2026.