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Convert Greenwich Mean Time (GMT) to Central Standard Time (CST, UTC-6) with our professional time zone converter. Designed for international business meetings between London to Chicago, this tool provides real-time conversion, optimal meeting time suggestions, business hours comparison, and 24-hour conversion tables. Features include live clock displays, meeting scheduler, time zone maps, and daylight saving time handling. Perfect for international business coordination, global team management, and cross-border communication. No registration required - works instantly on all devices with offline capability.
Central Standard Time is 6 hours behind Greenwich Mean Time
Complete hourly conversion for Greenwich Mean Time to Central Standard Time
| Greenwich Mean Time | Central Standard Time | 24-Hour GMT | 24-Hour CST |
|---|---|---|---|
| 12:00 AM | 6:00 PM (previous day) | 00:00 | 18:00 |
| 1:00 AM | 7:00 PM (previous day) | 01:00 | 19:00 |
| 2:00 AM | 8:00 PM (previous day) | 02:00 | 20:00 |
| 3:00 AM | 9:00 PM (previous day) | 03:00 | 21:00 |
| 4:00 AM | 10:00 PM (previous day) | 04:00 | 22:00 |
| 5:00 AM | 11:00 PM (previous day) | 05:00 | 23:00 |
| 6:00 AM | 12:00 AM | 06:00 | 00:00 |
| 7:00 AM | 1:00 AM | 07:00 | 01:00 |
| 8:00 AM | 2:00 AM | 08:00 | 02:00 |
| 9:00 AM | 3:00 AM | 09:00 | 03:00 |
| 10:00 AM | 4:00 AM | 10:00 | 04:00 |
| 11:00 AM | 5:00 AM | 11:00 | 05:00 |
| 12:00 PM | 6:00 AM | 12:00 | 06:00 |
| 1:00 PM | 7:00 AM | 13:00 | 07:00 |
| 2:00 PM | 8:00 AM | 14:00 | 08:00 |
| 3:00 PM | 9:00 AM | 15:00 | 09:00 |
| 4:00 PM | 10:00 AM | 16:00 | 10:00 |
| 5:00 PM | 11:00 AM | 17:00 | 11:00 |
| 6:00 PM | 12:00 PM | 18:00 | 12:00 |
| 7:00 PM | 1:00 PM | 19:00 | 13:00 |
| 8:00 PM | 2:00 PM | 20:00 | 14:00 |
| 9:00 PM | 3:00 PM | 21:00 | 15:00 |
| 10:00 PM | 4:00 PM | 22:00 | 16:00 |
| 11:00 PM | 5:00 PM | 23:00 | 17:00 |
Optimal hours for calls between GMT and CST
Based on standard business hours (9:00 AM - 6:00 PM) in each time zone
Technical information for both time zones
Source timezone
Target timezone
The GMT to CST conversion involves converting Greenwich Mean Time (GMT), UTC+0:00, to Central Standard Time (CST), UTC-6:00. This conversion is essential for coordinating schedules across these two time zones.
Greenwich Mean Time (GMT) is 6 hours ahead of Central Standard Time (CST). Therefore, at noon GMT, it will be 6:00 AM CST on the same day.
To convert GMT to CST using our online tool at iformat.io, simply enter the desired GMT time into the input field. The converter will automatically calculate and display the corresponding CST time, making it quick and easy.
The best tool to convert GMT to CST is our free online converter at iformat.io. It provides real-time calculations and is user-friendly, ensuring accurate conversions between these two time zones.
The typical working hours for scheduling meetings between GMT and CST are generally between 1:00 PM and 5:00 PM, corresponding to 7:00 AM and 11:00 AM CST. This range accommodates working hours in both regions.
Our GMT to CST converter is optimized for mobile devices, including iPhones and Android phones. Through iformat.io, you can easily access it on any device and perform conversions on the go.
During Daylight Saving Time, Central Standard Time (CST) changes to Central Daylight Time (CDT), which has a +1 hour shift, making it UTC-5:00. Therefore, when converting from GMT during this period, the offset changes, requiring adjustments in scheduling.
