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UTC to CST Converter – Convert UTC to Central Time

Select your time and date, then see the conversion instantly
Example: When it's 9:00 AM in UTC, it's:
3:00 AMCST (UTC-6)
CST is 6 hours behind UTC during standard time.
Same-day example conversion

Quick Reference: CST is 6 hours behind UTC (CDT during daylight saving).

Common UTC to CST Conversions:
00:00 UTC = 18:00 CST (prev day) | 06:00 UTC = 00:00 CST | 09:00 UTC = 03:00 CST | 12:00 UTC = 06:00 CST | 15:00 UTC = 09:00 CST | 18:00 UTC = 12:00 CST

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Time Offset
−6h
−5h when CST → CDT (Mar–Nov)
Date Line Crossover
Before 6:00 AM UTC
CST shows the previous calendar day
Daylight Saving
UTC: no DST - always UTC+0
CST: Mar–Nov
Best Meeting Window
3:00 PM–5:00 PM UTC
= 9:00 AM–11:00 AM CST

Complete UTC ↔ CST Conversion Table

All 24 hours · Both DST seasons · Best meeting windows marked ★

Best overlap Next day in CST
UTC Time CST Standard Season  UTC+0
Standard  ·  UTC+0 → UTC−6  (−6h)
CDT Daylight Season  CDT
Daylight  ·  UTC+0 → CDT  (−5h)
12:00 AM (midnight)prev 6:00 PMprev 7:00 PM
1:00 AMprev 7:00 PMprev 8:00 PM
2:00 AMprev 8:00 PMprev 9:00 PM
3:00 AMprev 9:00 PMprev 10:00 PM
4:00 AMprev 10:00 PMprev 11:00 PM
5:00 AMprev 11:00 PM12:00 AM
6:00 AM12:00 AM1:00 AM
7:00 AM1:00 AM2:00 AM
8:00 AM2:00 AM3:00 AM
9:00 AM3:00 AM4:00 AM
10:00 AM4:00 AM5:00 AM
11:00 AM5:00 AM6:00 AM
12:00 PM (noon)6:00 AM7:00 AM
1:00 PM7:00 AM8:00 AM
2:00 PM8:00 AM 9:00 AM
3:00 PM 9:00 AM 10:00 AM
4:00 PM 10:00 AM 11:00 AM
5:00 PM11:00 AM12:00 PM
6:00 PM12:00 PM1:00 PM
7:00 PM1:00 PM2:00 PM
8:00 PM2:00 PM3:00 PM
9:00 PM3:00 PM4:00 PM
10:00 PM4:00 PM5:00 PM
11:00 PM5:00 PM6:00 PM
Best overlap: 3:00 PM–5:00 PM UTC / = 9:00 AM–11:00 AM CST

What is the time difference between UTC and CST?

CST is 6 hours behind UTC. During March to November, when CST switches to CDT, the difference becomes 5 hours behind. 9:00 AM UTC = 3:00 AM CST. 12:00 PM UTC = 6:00 AM CST. 5:00 PM UTC = 11:00 AM CST.

What is the best time to call from UTC to Chicago?

The business hours overlap between UTC and CST runs from 3:00 PM to 5:00 PM UTC (9:00 AM to 11:00 AM CST). Scheduling calls in this window keeps both sides within normal working hours.

Frequently Asked Questions about UTC and CST

CST is 6 hours behind UTC, so to convert mentally, subtract 6 hours to your UTC time. For example: 9:00 AM UTC = 3:00 AM CST. Our converter automatically adjusts for Daylight Saving Time so you always get the right result.

CST (Central Standard Time, UTC-6) is 6 hours behind UTC (Coordinated Universal Time, UTC+0) during standard time. For example, 9:00 AM UTC = 3:00 AM CST. During DST periods, this difference changes by 1 hour when one or both zones observe Daylight Saving Time - our converter automatically applies the correct offset for any date you select.

The best overlap for standard business hours (9 AM–5 PM) in both zones is 15:00–17:00 UTC = 09:00–11:00 CST. Schedule recurring calls in this window to keep both sides within normal working hours. Remember to re-check the window in March and November (or March/October for European zones) when DST transitions can shift the overlap by 1 hour.

Global does not observe Daylight Saving Time. UTC remains constant year-round, which simplifies conversions.

Major cities in the UTC (Coordinated Universal Time, UTC+0) timezone include: UTC has no geographic location - it is the universal time reference used by aviation, the internet, meteorology, and global finance worldwide. UTC is a fixed-offset zone - these cities do not observe Daylight Saving Time.

Major cities in the CST (Central Standard Time, UTC-6) timezone include: Chicago, Dallas, Houston, Minneapolis, Kansas City, New Orleans, Winnipeg. These cities switch to CDT (UTC-5) from the second Sunday in March to the first Sunday in November.

CST is 6 hours behind UTC. The best overlap for business hours is 15:00–17:00 UTC = 09:00–11:00 CST. Always include both local times in calendar invites (for example, "2:00 PM UTC / 8:00 AM CST CST"). Double-check around March and November (or March/October for European zones) when DST transitions can shift the offset by 1 hour. For full scheduling guidance, see our international meeting times guide.

Need more help? Check our complete FAQ section.

View Complete FAQ
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