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Time zonesLive · DST-aware

GMT to UTC Converter

See the current time in GMT (Greenwich) and UTC (UTC) side by side, the exact time difference right now, and convert any time between the two zones.

Quick presets

GMT to UTC Converter

GMT
Greenwich
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UTC
UTC
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Uses your browser's built-in, DST-aware time-zone data.

ToolFeather · Intl API

About converting GMT to UTC

Greenwich Mean Time (Greenwich) and Coordinated Universal Time (UTC) are in different time zones, so a meeting, call or stream that's convenient in one may be early or late in the other. The clocks above update live and account for daylight saving automatically, so the time difference you see is the real one for today — not a fixed number that goes stale twice a year.

To plan across the two, type a time into the GMT box (or tap a quick preset) and read the UTC equivalent, including a "next day" or "previous day" note when the conversion crosses midnight. For any other pair of zones or cities, use the full timezone converter.

GMT vs UTC: the time difference through the year

The difference stays the same all year: UTC is same time as GMT.

PeriodDifference
Oct 23, 2026 – Oct 23, 2027UTC same time

Daylight saving

Neither GMT nor UTC uses daylight saving, so this conversion never changes.

GMT to UTC conversion table

GMTUTC
12:00 AM12:00 AM
1:00 AM1:00 AM
2:00 AM2:00 AM
3:00 AM3:00 AM
4:00 AM4:00 AM
5:00 AM5:00 AM
6:00 AM6:00 AM
7:00 AM7:00 AM
8:00 AM8:00 AM
9:00 AM9:00 AM
10:00 AM10:00 AM
11:00 AM11:00 AM
12:00 PM12:00 PM
1:00 PM1:00 PM
2:00 PM2:00 PM
3:00 PM3:00 PM
4:00 PM4:00 PM
5:00 PM5:00 PM
6:00 PM6:00 PM
7:00 PM7:00 PM
8:00 PM8:00 PM
9:00 PM9:00 PM
10:00 PM10:00 PM
11:00 PM11:00 PM

Best time to meet

The two zones

GMT · Greenwich Mean Time

Greenwich Mean Time is UTC+0 all year. It is the base for world time; the UK uses GMT only in winter and switches to BST in summer.

UTC · Coordinated Universal Time

Coordinated Universal Time (UTC) is the world's time standard, kept by atomic clocks. It never changes for daylight saving.

Frequently asked questions

6 answers
What is the time difference between GMT and UTC?
It's shown live at the top of this page (and it can change with daylight saving). The converter uses the current, DST-aware difference between Greenwich Mean Time and Coordinated Universal Time, so the time you see is always right for right now.
How do I convert GMT to UTC?
Enter a time in the GMT box and the equivalent UTC time appears instantly, adjusted for the current offset between the two zones — including a note if it lands on the previous or next day.
Is this GMT to UTC converter accurate with daylight saving?
Yes. It uses your browser's built-in time-zone database (the IANA zones behind Greenwich and UTC), which tracks daylight-saving changes automatically, so the current times and difference are correct.
What time is it in UTC right now?
The live clock above shows the current time in UTC (UTC), updating every second, alongside GMT.
Does the GMT to UTC time difference change?
No. Neither switch changes the gap: UTC is same time all year.
What is a good meeting time for GMT and UTC?
Office hours overlap from 9:00 AM to 5:00 PM GMT (9:00 AM to 5:00 PM UTC).