CDT to GMT Time Converter
Live conversion between Central Daylight Time (CDT) and Greenwich Mean Time (GMT).
CDT now
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GMT now
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GMT is 5 hours ahead of CDT. Note that London uses GMT in winter and BST (UTC +1) in summer.
CDT → GMT for every hour
| CDT (Chicago) | GMT |
|---|---|
| 12:00 AM | 6:00 AM |
| 1:00 AM | 7:00 AM |
| 2:00 AM | 8:00 AM |
| 3:00 AM | 9:00 AM |
| 4:00 AM | 10:00 AM |
| 5:00 AM | 11:00 AM |
| 6:00 AM | 12:00 PM |
| 7:00 AM | 1:00 PM |
| 8:00 AM | 2:00 PM |
| 9:00 AM | 3:00 PM |
| 10:00 AM | 4:00 PM |
| 11:00 AM | 5:00 PM |
| 12:00 PM | 6:00 PM |
| 1:00 PM | 7:00 PM |
| 2:00 PM | 8:00 PM |
| 3:00 PM | 9:00 PM |
| 4:00 PM | 10:00 PM |
| 5:00 PM | 11:00 PM |
| 6:00 PM | 12:00 AM (Jul 20, 2026) |
| 7:00 PM | 1:00 AM (Jul 20, 2026) |
| 8:00 PM | 2:00 AM (Jul 20, 2026) |
| 9:00 PM | 3:00 AM (Jul 20, 2026) |
| 10:00 PM | 4:00 AM (Jul 20, 2026) |
| 11:00 PM | 5:00 AM (Jul 20, 2026) |
Highlighted row is the current CDT hour. Times computed from IANA zones — DST-safe.
Where each zone is used
CDT — Central Daylight Time
United States (Central, summer)
Cities: Chicago, Houston, Dallas, New Orleans, Minneapolis
GMT — Greenwich Mean Time
United Kingdom (winter), Western Europe
Cities: London, Dublin, Lisbon
More CDT converters
Frequently asked questions
What is CDT to GMT time difference?
On paper, CDT is UTC −5 and GMT is UTC ±0. In practice the two abbreviations are rarely observed at the same time of year — right now Chicago is on CDT and London is on GMT+1, and the live clock and 24-hour table on this page follow those real wall clocks, which is what you want for scheduling.
Does CDT change for daylight saving?
Yes — CDT is the summer (DST) form of its time zone.
What time is 9am CDT in GMT?
9:00 AM CDT ≈ 3:00 PM GMT.