Convert GMT to UTC Time - London to Global

Convert Greenwich Mean Time (GMT) to Coordinated Universal Time (UTC, UTC+0) with our professional time zone converter. Designed for international business meetings between London to Global, 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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GMT

Greenwich Mean Time

Current Time

Select Date & Time

→

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UTC

Coordinated Universal Time

Current Time

Converted Time

Select a time to convert

Time Difference

Your Local Time

UTC Time

GMT to UTC Time Conversion

Greenwich Mean Time and Coordinated Universal Time are in the same time zone

Always accurate • Live conversion

difference

GMT to UTC Time Conversion Chart

Popular Time Conversions

Complete 24-Hour Conversion

Greenwich Mean Time to Coordinated Universal Time full day schedule

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

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12:00 AM

GMT

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12:00 AM

UTC

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1:00 AM

GMT

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1:00 AM

UTC

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2:00 AM

GMT

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2:00 AM

UTC

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3:00 AM

GMT

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3:00 AM

UTC

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4:00 AM

GMT

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4:00 AM

UTC

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5:00 AM

GMT

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5:00 AM

UTC

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6:00 AM

GMT

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6:00 AM

UTC

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7:00 AM

GMT

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7:00 AM

UTC

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8:00 AM

GMT

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8:00 AM

UTC

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9:00 AM

GMT

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9:00 AM

UTC

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10:00 AM

GMT

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10:00 AM

UTC

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11:00 AM

GMT

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11:00 AM

UTC

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12:00 PM

GMT

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12:00 PM

UTC

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1:00 PM

GMT

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1:00 PM

UTC

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2:00 PM

GMT

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2:00 PM

UTC

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3:00 PM

GMT

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3:00 PM

UTC

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4:00 PM

GMT

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4:00 PM

UTC

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5:00 PM

GMT

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5:00 PM

UTC

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6:00 PM

GMT

→

6:00 PM

UTC

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7:00 PM

GMT

→

7:00 PM

UTC

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8:00 PM

GMT

→

8:00 PM

UTC

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9:00 PM

GMT

→

9:00 PM

UTC

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10:00 PM

GMT

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10:00 PM

UTC

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11:00 PM

GMT

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11:00 PM

UTC

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Best Meeting Times for GMT and UTC

Optimal Collaboration Hours

Best times for GMT ↔ UTC meetings and calls

✅ Business hours overlap available

Recommended Meeting Windows

9:00 AM GMT → 9:00 AM UTC

Perfect for both time zones

10:00 AM GMT → 10:00 AM UTC

Perfect for both time zones

11:00 AM GMT → 11:00 AM UTC

Perfect for both time zones

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

GMT vs UTC Time Zone Details

Technical Information & Comparison

Detailed timezone specifications and regional data

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Greenwich Mean Time

Source timezone

UTC Offset 0.0h

Code GMT

Region Global

Status ✓ Active

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Coordinated Universal Time

Target timezone

UTC Offset 0.0h

Code UTC

Region Global

Status ✓ Active

Frequently Asked Questions

What is the Greenwich Mean Time (GMT) to Coordinated Universal Time (UTC) conversion?

The GMT to UTC conversion involves converting Greenwich Mean Time (GMT), which is UTC+0:00, to Coordinated Universal Time (UTC), which is also UTC+0:00. While both times are effectively the same, this conversion is essential for clarity in international communications.

How many hours is GMT ahead of UTC?

Greenwich Mean Time (GMT) is not ahead of Coordinated Universal Time (UTC); they are effectively the same, with both being UTC+0:00. Therefore, when it is noon GMT, it is also noon UTC.

How do I convert GMT time to UTC time using your online tool?

To convert GMT to UTC using our online tool at iformat.io, enter the desired GMT into the input field. The converter automatically calculates and displays the corresponding UTC, making it quick and easy.

What is the best tool to convert GMT to UTC?

The best tool to convert GMT to UTC is our free online converter at iformat.io. It provides real-time calculations and is user-friendly, ensuring accurate conversions between these two time standards.

What are the typical uses for a GMT to UTC time zone converter?

A GMT to UTC zone converter is commonly used in aviation, telecommunications, and international business where precise time coordination is required. It helps avoid confusion when scheduling across different regions.

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

Our GMT to UTC 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.

How does Daylight Saving Time affect the conversion from GMT?

Greenwich Mean Time (GMT) does not change for Daylight Saving Time (DST); however, some regions that use GMT switch to different time zones during DST. This means that while GMT remains constant, local times may vary.