CST to CDT Time Converter
Live conversion between Central Standard Time (CST) and Central Daylight Time (CDT).
CST now
8:47:36 PM
Thursday, Apr 16, 2026
CDT now
8:47:36 PM
Thursday, Apr 16, 2026
CST and CDT differ by exactly one hour — the same clock simply springs forward in March and falls back in November.
CST → CDT for every hour
| CST (Chicago) | CDT |
|---|---|
| 12:00 AM | 12:00 AM |
| 1:00 AM | 1:00 AM |
| 2:00 AM | 2:00 AM |
| 3:00 AM | 3:00 AM |
| 4:00 AM | 4:00 AM |
| 5:00 AM | 5:00 AM |
| 6:00 AM | 6:00 AM |
| 7:00 AM | 7:00 AM |
| 8:00 AM | 8:00 AM |
| 9:00 AM | 9:00 AM |
| 10:00 AM | 10:00 AM |
| 11:00 AM | 11:00 AM |
| 12:00 PM | 12:00 PM |
| 1:00 PM | 1:00 PM |
| 2:00 PM | 2:00 PM |
| 3:00 PM | 3:00 PM |
| 4:00 PM | 4:00 PM |
| 5:00 PM | 5:00 PM |
| 6:00 PM | 6:00 PM |
| 7:00 PM | 7:00 PM |
| 8:00 PM | 8:00 PM |
| 9:00 PM | 9:00 PM |
| 10:00 PM | 10:00 PM |
| 11:00 PM | 11:00 PM |
Highlighted row is the current CDT hour. Times computed from IANA zones — DST-safe.
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Where each zone is used
CST — Central Standard Time
United States (Central, winter)
Cities: Chicago, Houston, Dallas, New Orleans, Minneapolis
CDT — Central Daylight Time
United States (Central, summer)
Cities: Chicago, Houston, Dallas, New Orleans, Minneapolis
More CST converters
Frequently asked questions
What is CST to CDT time difference?
CST (Central Standard Time) is UTC −6 and CDT (Central Daylight Time) is UTC −5. Use the live clock and 24-hour table on this page for the exact current difference.
Does CST change for daylight saving?
CST itself is the standard (non-DST) form. The clock that uses CST switches to a daylight-saving variant in summer.
What time is 9am CST in CDT?
9:00 AM CDT ≈ 9:00 AM CDT.