Convert CST to GMT Time - Chicago to London

Convert Central Standard Time (CST) to Greenwich Mean Time (GMT, UTC+0) with our professional time zone converter. Designed for international business meetings between Chicago to London, 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.

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CST

Central Standard Time

Current Time

Select Date & Time

→

🌍

GMT

Greenwich Mean Time

Current Time

Converted Time

Select a time to convert

Time Difference

Your Local Time

UTC Time

CST to GMT Time Conversion

Greenwich Mean Time is 6 hours ahead of Central Standard Time

Always accurate • Live conversion

difference

CST to GMT Time Conversion Chart

Popular Time Conversions

Complete 24-Hour Conversion

Central Standard Time to Greenwich Mean Time full day schedule

🇺🇸 Central Standard Time	🌍 Greenwich Mean Time
12:00 AM 00:00	6:00 AM 06:00
1:00 AM 01:00	7:00 AM 07:00
2:00 AM 02:00	8:00 AM 08:00
3:00 AM 03:00	9:00 AM 09:00
4:00 AM 04:00	10:00 AM 10:00
5:00 AM 05:00	11:00 AM 11:00
6:00 AM 06:00	12:00 PM 12:00
7:00 AM 07:00	1:00 PM 13:00
8:00 AM 08:00	2:00 PM 14:00
9:00 AM 09:00	3:00 PM 15:00
10:00 AM 10:00	4:00 PM 16:00
11:00 AM 11:00	5:00 PM 17:00
12:00 PM 12:00	6:00 PM 18:00
1:00 PM 13:00	7:00 PM 19:00
2:00 PM 14:00	8:00 PM 20:00
3:00 PM 15:00	9:00 PM 21:00
4:00 PM 16:00	10:00 PM 22:00
5:00 PM 17:00	11:00 PM 23:00
6:00 PM 18:00	12:00 AM (next day) 00:00
7:00 PM 19:00	1:00 AM (next day) 01:00
8:00 PM 20:00	2:00 AM (next day) 02:00
9:00 PM 21:00	3:00 AM (next day) 03:00
10:00 PM 22:00	4:00 AM (next day) 04:00
11:00 PM 23:00	5:00 AM (next day) 05:00

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12:00 AM

CST

→

6:00 AM

GMT

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1:00 AM

CST

→

7:00 AM

GMT

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2:00 AM

CST

→

8:00 AM

GMT

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3:00 AM

CST

→

9:00 AM

GMT

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4:00 AM

CST

→

10:00 AM

GMT

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5:00 AM

CST

→

11:00 AM

GMT

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🇺🇸

6:00 AM

CST

→

12:00 PM

GMT

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🇺🇸

7:00 AM

CST

→

1:00 PM

GMT

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8:00 AM

CST

→

2:00 PM

GMT

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9:00 AM

CST

→

3:00 PM

GMT

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10:00 AM

CST

→

4:00 PM

GMT

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🇺🇸

11:00 AM

CST

→

5:00 PM

GMT

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🇺🇸

12:00 PM

CST

→

6:00 PM

GMT

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🇺🇸

1:00 PM

CST

→

7:00 PM

GMT

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🇺🇸

2:00 PM

CST

→

8:00 PM

GMT

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🇺🇸

3:00 PM

CST

→

9:00 PM

GMT

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🇺🇸

4:00 PM

CST

→

10:00 PM

GMT

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🇺🇸

5:00 PM

CST

→

11:00 PM

GMT

🌍

🇺🇸

6:00 PM

CST

→

12:00 AM

GMT

(next day)

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7:00 PM

CST

→

1:00 AM

GMT

(next day)

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🇺🇸

8:00 PM

CST

→

2:00 AM

GMT

(next day)

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🇺🇸

9:00 PM

CST

→

3:00 AM

GMT

(next day)

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🇺🇸

10:00 PM

CST

→

4:00 AM

GMT

(next day)

🌍

🇺🇸

11:00 PM

CST

→

5:00 AM

GMT

(next day)

🌍

Best Meeting Times for CST and GMT

Optimal Collaboration Hours

Best times for CST ↔ GMT meetings and calls

✅ Business hours overlap available

Recommended Meeting Windows

9:00 AM CST → 3:00 PM GMT

Perfect for both time zones

10:00 AM CST → 4:00 PM GMT

Perfect for both time zones

11:00 AM CST → 5:00 PM GMT

Perfect for both time zones

Based on standard business hours (9:00 AM - 6:00 PM) in each time zone

CST vs GMT Time Zone Details

Technical Information & Comparison

Detailed timezone specifications and regional data

🇺🇸

Central Standard Time

Source timezone

UTC Offset -6.0h

Code CST

Region Global

Status ✓ Active

🌍

Greenwich Mean Time

Target timezone

UTC Offset 0.0h

Code GMT

Region Global

Status ✓ Active

Frequently Asked Questions

What is the Central Standard Time (CST) to Greenwich Mean Time (GMT) conversion?

The CST to GMT conversion involves converting Central Standard Time (CST), UTC-6:00, to Greenwich Mean Time (GMT), UTC+0:00. This conversion is essential for coordinating schedules across different time zones.

How many hours is CST behind GMT?

Central Standard Time (CST) is 6 hours behind Greenwich Mean Time (GMT). Therefore, when it is 12:00 PM CST, it will be 6:00 PM GMT on the same day.

How do I convert CST to GMT using iformat.io?

To convert CST to GMT using iformat.io, enter your desired CST time in the converter tool. The website automatically calculates and displays the corresponding GMT, making it quick and easy.

What are the best times for scheduling meetings between CST and GMT?

For effective scheduling, aim for meeting times between 9:00 AM and 12:00 PM CST, corresponding to 3:00 PM to 6:00 PM GMT. This overlap ensures that both parties are likely available during working hours.

Can I use your CST to GMT converter on mobile devices?

Yes, iformat.io is optimized for mobile devices, including iPhones and Android phones. You can easily access the CST to GMT converter on any device and perform conversions while on the go.

How does Daylight Saving Time affect the conversion from CST to GMT?

During Daylight Saving Time, Central Standard Time (CST) changes to Central Daylight Time (CDT), which is UTC-5:00. This shift reduces the time difference with GMT to just five hours.