Convert any time between CDT and CET, with a full 24-hour table and the hours when both sides are actually at work.

CDT to CET Time Converter

CET is 7 hours ahead of CDT. CDT is UTC-5:00, and Continental western Europe is currently on CEST (UTC+2:00).

Worth knowing right now. Continental western Europe is currently on CEST, not CET, because daylight saving is in effect. The 7 hours above is the gap between those two regions today, which is almost certainly what you want. Taken strictly as written, CDT to CET is 6 hours.
CDT
Central Daylight Time
08:33:30 AM
Sunday, October 11, 2026
UTC-5:00
+7:00
hours difference
⇆ Reverse
CET
Central European Time
03:33:30 PM
Sunday, October 11, 2026
UTC+2:00

Best Time to Call Between CDT and CET

Both zones are inside normal business hours between 9:00 AM and 10:00 AM CDT — that's 4:00 PM to 5:00 PM CET. That's a 1-hour window.

both at work CDT only CET only neither  —  hours along the strip are CDT.

CDT to CET: Full 24-Hour Conversion Table

Shaded rows are working hours; the darker shade marks the hours when both zones are at work.

CDTCETWorking hours
12:00 AM 7:00 AM —
1:00 AM 8:00 AM —
2:00 AM 9:00 AM CET only
3:00 AM 10:00 AM CET only
4:00 AM 11:00 AM CET only
5:00 AM 12:00 PM CET only
6:00 AM 1:00 PM CET only
7:00 AM 2:00 PM CET only
8:00 AM 3:00 PM CET only
9:00 AM 4:00 PM Both zones
10:00 AM 5:00 PM CDT only
11:00 AM 6:00 PM CDT only
12:00 PM 7:00 PM CDT only
1:00 PM 8:00 PM CDT only
2:00 PM 9:00 PM CDT only
3:00 PM 10:00 PM CDT only
4:00 PM 11:00 PM CDT only
5:00 PM 12:00 AM next day —
6:00 PM 1:00 AM next day —
7:00 PM 2:00 AM next day —
8:00 PM 3:00 AM next day —
9:00 PM 4:00 AM next day —
10:00 PM 5:00 AM next day —
11:00 PM 6:00 AM next day —

What CDT and CET Actually Are

CDT — Central Daylight Time

Chicago, Houston, Dallas, Winnipeg. Standing at UTC-5:00 as written, and the region does change its clocks, so its live offset moves by an hour twice a year. The next change is on Sunday, November 1, 2026, to CST. Mexico abolished daylight saving in 2022, so Mexico City stays on UTC-6 all year and no longer uses CDT.

Mexico left this pattern behind in 2022, abolishing daylight saving nationwide except in a strip of cities along the US border that kept it for cross-frontier trade.

CET — Central European Time

Paris, Berlin, Madrid, Rome, Amsterdam, Vienna, Warsaw, Stockholm. Standing at UTC+1:00 as written, and the region does change its clocks, so its live offset moves by an hour twice a year. The next change is on Sunday, October 25, 2026, to CET. Most of continental Europe moves to CEST (UTC+2) for the summer.

Central European Time spans a remarkable stretch of longitude — from Spain's Atlantic coast to Poland's eastern border — so solar noon in Madrid arrives nearly two hours later than in Warsaw.

What This Means in Practice

Both sides change clocks, on different dates

Both regions observe daylight saving but do not switch on the same day, so for a week or two each spring and fall the gap between them is an hour different from the rest of the year. Those short windows are where recurring invitations quietly break.

Frequently Asked Questions

What is the time difference between CDT and CET?

CET is 7 hours ahead of CDT. That is the live figure. Taken strictly as written, the gap between CDT and CET is 6 hours — the two differ because at least one of these regions is currently on daylight saving.

What is 9:00 AM CDT in CET?

9:00 AM CDT is 4:00 PM CET.

What are the best hours to schedule a call between CDT and CET?

Between 9:00 AM and 10:00 AM CDT, which is 4:00 PM to 5:00 PM CET. Both sides are inside normal business hours through that window.

Does the difference between CDT and CET change during the year?

Yes. Both regions observe daylight saving, and they do not switch on the same dates, so the gap shifts by an hour at least twice a year. The next clock change is on Sunday, November 1, 2026.

Does CDT always mean Central Daylight Time?

Mexico abolished daylight saving in 2022, so Mexico City stays on UTC-6 all year and no longer uses CDT.

Does CET always mean Central European Time?

Most of continental Europe moves to CEST (UTC+2) for the summer.

Converting between two time zones regularly? Bookmark this page — the clocks update live and the table follows daylight saving automatically.