How do I convert time between time zones?

Simply select your source timezone, enter the time you want to convert, select the target timezone, and the conversion happens instantly. You can also use the current time by clicking 'Set to Current Time'.

Is the time zone converter free?

Yes, our time zone converter is completely free to use. There are no hidden fees, no registration required, and no limits on conversions.

Does it handle Daylight Saving Time?

Yes, the converter automatically accounts for Daylight Saving Time (DST) based on the current date and the timezone's DST rules.

Can I convert multiple times at once?

You can convert as many times as you need. Simply change the time or timezone, and the conversion updates instantly.

How accurate is the time conversion?

The converter uses the IANA Time Zone Database, which is the most accurate and up-to-date source for timezone information worldwide.

Can I use keyboard shortcuts?

Yes! Press Ctrl/Cmd+C to copy the result, Ctrl/Cmd+S to swap timezones, and Tab to navigate between fields.

Does it auto-detect my timezone?

Yes, the tool automatically detects your browser's timezone and sets it as the default source timezone.

Can I see the current time in both timezones?

Yes, the tool displays the current time in both the source and target timezones, updating every second.

What time formats are supported?

You can toggle between 12-hour (AM/PM) and 24-hour formats using the checkbox in the quick actions bar.

Can I convert dates that cross midnight?

Yes, the converter automatically handles date changes when converting times that cross midnight.

Are popular timezone pairs available?

Yes, you can quickly select popular conversions like CST to EST, PST to EST, GMT to EST, and more from the Popular Timezone Conversions section.

How do I copy the converted time?

Click the 'Copy Result' button or press Ctrl/Cmd+C to copy the converted time with timezone information to your clipboard.

GMT to UTC Converter

Convert between any time zones worldwide. Free and accurate time zone converter with DST support.

Edit time or date on either side — all cards update instantly.

From

UTC...

Greenwich Mean Time

To Same day

UTC...

Coordinated Universal Time

Add another timezone to compare

GMT to UTC Conversion Chart

Today's reference — every 3 hours. DST is applied automatically.

GMT Time	UTC Time
12:00 AM	11:00 PM (-1 day)
3:00 AM	2:00 AM
6:00 AM	5:00 AM
9:00 AM	8:00 AM
12:00 PM	11:00 AM
3:00 PM	2:00 PM
6:00 PM	5:00 PM
9:00 PM	8:00 PM

Popular Timezone Conversions

CST to EST PST to EST MST to EST GMT to EST JST to EST GST to EST IST to EST EST to GMT

About GMT to UTC Conversion

Converting time between GMT and UTC requires understanding their time zone offsets and any daylight saving time adjustments. GMT (GMT) operates at UTC+1, while UTC (UTC) is set to UTC+0. This means UTC is 1 hour behind GMT. For example, when it's 9:37 AM GMT on April 12, 2026, it's 8:37 AM UTC in UTC. Europe/London observes daylight saving time, switching between GMT (UTC+0) and BST (UTC+1), while UTC does not observe daylight saving time. Use this converter to quickly find the equivalent time in UTC for any time in GMT, whether you're scheduling meetings, planning travel, or coordinating with teams across different time zones.

How to Use the Time Zone Converter

Select your source timezone from the "From timezone" dropdown (use search to find quickly)
Enter the date and time you want to convert (or click "Today" and "Now" for current time)
Select your target timezone from the "To timezone" dropdown
The conversion updates automatically as you change inputs - no button needed!
Use "Copy" button to copy the converted time, or use presets for quick conversions

More Conversions from GMT

GMT to EST GMT to CST GMT to MST GMT to MDT GMT to PST GMT to AKST GMT to HST GMT to CET GMT to EET GMT to MSK GMT to IST GMT to JST GMT to CST-CHINA GMT to HKT GMT to SGT GMT to GST GMT to AEST GMT to AWST GMT to NZST GMT to ART GMT to BRT GMT to PHT GMT to BDT GMT to KST GMT to SAST GMT to ICT GMT to EAT GMT to WAT GMT to PKT

Frequently Asked Questions

What is the time difference between GMT and UTC?

The time difference between GMT and UTC is 1 hour. UTC is 1 hour behind GMT.

Is UTC ahead of or behind GMT?

UTC is behind GMT by 1 hour. When it's 12 PM in GMT, it's 11:00 AM in UTC.

How many hours do you add to GMT to get UTC?

You subtract 1 hour from GMT to get UTC. For example, 12 PM GMT - 1 hour = 11:00 AM UTC.

Does the GMT to UTC time difference change during Daylight Saving Time?

Yes, the time difference can change during Daylight Saving Time (DST). GMT observes DST, which can affect the time difference during the transition periods in spring and fall.

What is 12 PM GMT in UTC?

12 PM GMT is 11:00 AM UTC. This conversion accounts for the 1-hour time difference between the two timezones.

Is GMT the same throughout the year when converting to UTC?

No, the conversion between GMT and UTC can vary during the year due to Daylight Saving Time. The time difference may change by 1 hour during DST transition periods (typically March and November), so always use a current timezone converter for accurate conversions.

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