GMT to CST Converter
Convert time between Greenwich Mean Time (GMT) and Central Standard Time (CST)
Greenwich Mean Time (GMT)
22:28:20
Nov 04, 2025
UTC
Central Standard Time (CST)
22:28:20
Nov 04, 2025
UTC
Time Difference
Central Standard Time (CST) is 0 hours ahead of Greenwich Mean Time (GMT)
Select Date
Select Time
Quick Reference
| GMT | CST |
|---|---|
| 02:00 | 20:00 |
| 04:00 | 22:00 |
| 06:00 | 00:00 |
| 08:00 | 02:00 |
| 10:00 | 04:00 |
| 12:00 | 06:00 |
| 14:00 | 08:00 |
| 16:00 | 10:00 |
| 18:00 | 12:00 |
| 20:00 | 14:00 |
| 22:00 | 16:00 |
| 00:00 | 18:00 |
Related Time Zone Conversions
About GMT to CST Time Conversion
Converting time from Greenwich Mean Time (GMT) to Central Standard Time (CST) is essential for UK to US Central region coordination. GMT is UTC+0, while CST is UTC-6, making CST 6 hours behind GMT.
This conversion is crucial for international business operations between the United Kingdom and the US Central region, including major business hubs in Texas, Illinois, and Missouri. Whether you're scheduling meetings, coordinating project deadlines, or planning travel, our accurate IANA-based converter ensures you never miss the time difference.
Common Use Cases for GMT to CST Conversion
Business & Work
- Scheduling UK to US Central business meetings
- Coordinating London and Texas operations
- Managing global finance and trading across time zones
Personal & Travel
- Planning travel from UK to US Central region (Texas, Illinois, Missouri)
- Coordinating with US Central family and friends from UK
- Scheduling virtual events for UK-US Central audiences
Time Zone Information
Greenwich Mean Time (GMT)
- UTC Offset: UTC+0 (UTC+1 during BST)
- IANA Timezone: Europe/London
- Daylight Saving: Last Sunday in March to Last Sunday in October
- Major Cities: London, Edinburgh, Cardiff, Belfast, Dublin
- Coverage: United Kingdom and Ireland
Central Standard Time (CST)
- UTC Offset: UTC-6 (UTC-5 during CDT)
- IANA Timezone: America/Chicago
- Daylight Saving: Second Sunday in March to First Sunday in November
- Major Cities: Chicago, Houston, Dallas, Austin, San Antonio, Memphis, Nashville
- Coverage: Central United States and Canada
Quick Reference: GMT to CST
6:00 AM GMT
12:00 AM CST (midnight)
12:00 PM GMT (noon)
6:00 AM CST
4:00 PM GMT
10:00 AM CST
8:00 PM GMT
2:00 PM CST
Remember: CST is always 6 hours behind GMT
Frequently Asked Questions
What is the time difference between GMT and CST?
GMT (Greenwich Mean Time) is 6 hours ahead of CST (Central Standard Time). When it is noon (12:00 PM) in GMT, it is 6:00 AM in CST. This difference remains consistent because both regions adjust for daylight saving time at approximately the same periods.
How do I quickly calculate GMT to CST conversion?
Simply subtract 6 hours from the GMT time to get CST. For example: 8:00 PM GMT minus 6 hours equals 2:00 PM CST. If the result is negative or crosses midnight, you'll need to adjust to the previous day.
Does daylight saving time affect GMT to CST conversion?
GMT itself doesn't observe daylight saving time, but the UK (where GMT is based) changes to BST (British Summer Time, UTC+1) in summer. Meanwhile, CST changes to CDT (Central Daylight Time, UTC-5). During these periods, the time difference may shift by 1 hour. Our converter automatically handles these changes.
When should I use this GMT to CST converter?
Use this converter when scheduling international calls, planning business meetings, arranging travel, coordinating projects, or communicating with people in both the UK and US Central regions. It's particularly useful for companies operating between London and major cities like Houston, Dallas, Chicago, and Austin.
What major cities are in the CST timezone?
CST covers the US Central region and includes major cities like Chicago, Houston, Dallas, Austin, San Antonio, Memphis, Nashville, and New Orleans. In Canada, it includes parts of Manitoba and Saskatchewan. The Central timezone is home to major business and finance hubs in Texas.
How does CST differ from other US timezones?
CST is UTC-6 (or CDT at UTC-5 during daylight saving). It lies between EST (Eastern, UTC-5) and MST (Mountain, UTC-7) in the US. If you need conversions with other timezones, our GMT to EST and GMT to PST converters are also available.
Pro Tips
- • When scheduling morning meetings with GMT colleagues, remember CST is 6 hours behind—6 AM GMT is midnight CST.
- • Use online calendars with timezone support to automatically show meeting times in both GMT and CST.
- • Peak overlap hours are typically 2 PM-6 PM CST / 8 PM-12 AM GMT for convenient business communication.
- • Double-check meeting times when daylight saving time transitions occur in March and November.
- • Texas business hubs often observe CST, making this conversion essential for UK-Texas operations.
- • Always specify "GMT" or "CST" when scheduling to avoid confusion with other similar-sounding timezones.
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30 Minute Timer
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50 Minute Timer
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60 Minute Timer
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120 Minute Timer
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240 Minute Timer
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MDT Timezone
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MST to EST Converter
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CST to EST Converter
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MST to PST Converter
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PST to MST Converter
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CST to MST Converter
Convert Central Standard Time (CST) to Mountain Standard Time (MST) with interactive time picker, conversion chart, and quick reference.
MST to CST Converter
Convert Mountain Standard Time (MST) to Central Standard Time (CST) with interactive time picker, conversion chart, and quick reference.
CST to PST Converter
Convert Central Standard Time (CST) to Pacific Standard Time (PST) with interactive time picker, conversion chart, and quick reference.
PST to CST Converter
Convert Pacific Standard Time (PST) to Central Standard Time (CST) with interactive time picker, conversion chart, and quick reference.
EST to UTC Converter
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UTC to EST Converter
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PST to UTC Converter
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UTC to PST Converter
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EST to GMT Converter
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GMT to EST Converter
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GMT to PST Converter
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GMT to CST Converter
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GMT to MST Converter
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Calculator
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Annual Mileage Calculator
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Calorie Burned Calculator
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Fuel to Distance Calculator
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Paycheck Calculator
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Tip Calculator
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Improper Fraction to Mixed Number Calculator
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Mixed Number to Improper Fraction Calculator
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Screensaver
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A free backlight bleed tester to check dead pixels, backlight bleeding. Test monitor, laptop, mobile screen or other display issues.
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Red Screen
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Green Screen
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Blue Screen
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Yellow Screen
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Purple Screen
Find and fix dead pixels, backlight bleeding, or display issues using our comprehensive screen testing solution.
Cyan Screen
Ensure perfect screen quality by detecting dead pixels, backlight bleed, and other monitor issues instantly.
Orange Screen
Diagnose dead pixels, backlight bleeding, or display problems quickly-improve your monitor's performance and viewing experience.
Pink Screen
Uncover dead pixels, backlight bleed, or screen defects fast with our user-friendly display testing tool.
Brown Screen
Verify your screen for dead pixels, backlight bleeding, or color issues to maintain top display performance.
Gray Screen
Easily detect dead pixels, backlight bleed, and other screen issues to ensure your display's optimal quality.
Lime Screen
Quickly identify and troubleshoot dead pixels, backlight bleeding, and display defects for a flawless viewing experience.
Time Screen
Display the local time on your screensaver, automatically adjusting to your current time zone for accurate, real-time clock display.
Date Screen
A screensaver that displays the current date and time. Real-time clock display on your desktop or device.
Clock Screen
Elegant clock screensaver displaying the current time with customizable styles, perfect for adding a sleek look to your screen.
Utilities
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Quickly test your webcam and verify camera settings to ensure optimal video quality and proper device functionality.
Microphone Test
Test your microphone and verify settings to ensure clear audio quality and proper device performance for free.
Flashlight Tester
Test your flashlight and verify settings to ensure optimal lighting and proper device functionality for free.
Morse Code Translator
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Cookie Manager
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Credit Card Number Validation
Validate credit card numbers using the Luhn algorithm to ensure they are valid and secure.
Online Tally Counter
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Password Strength Tester
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Website Screenshot
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Color Blindness Simulator
Simulate how colors appear to users with different types of color blindness to ensure designs are accessible to users with color vision deficiencies.
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Printable
Printable Calendar
Generate and download printable monthly calendars for any month and year. Perfect for planning, organizing, and printing.
January 2025 Calendar
Generate and download printable January 2025 Calendar. Perfect for planning, organizing, and printing.
February 2025 Calendar
Generate and download printable February 2025 Calendar. Perfect for planning, organizing, and printing.
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Generate and download printable March 2025 Calendar. Perfect for planning, organizing, and printing.
April 2025 Calendar
Generate and download printable April 2025 Calendar. Perfect for planning, organizing, and printing.
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Generate and download printable May 2025 Calendar. Perfect for planning, organizing, and printing.
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Generate and download printable June 2025 Calendar. Perfect for planning, organizing, and printing.
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Generate and download printable July 2025 Calendar. Perfect for planning, organizing, and printing.
August 2025 Calendar
Generate and download printable August 2025 Calendar. Perfect for planning, organizing, and printing.
September 2025 Calendar
Generate and download printable September 2025 Calendar. Perfect for planning, organizing, and printing.
October 2025 Calendar
Generate and download printable October 2025 Calendar. Perfect for planning, organizing, and printing.
November 2025 Calendar
Generate and download printable November 2025 Calendar. Perfect for planning, organizing, and printing.
December 2025 Calendar
Generate and download printable December 2025 Calendar. Perfect for planning, organizing, and printing.
January 2026 Calendar
Generate and download printable January 2026 Calendar. Perfect for planning, organizing, and printing.
February 2026 Calendar
Generate and download printable February 2026 Calendar. Perfect for planning, organizing, and printing.
March 2026 Calendar
Generate and download printable March 2026 Calendar. Perfect for planning, organizing, and printing.