World Timezones

UTC to GMT Converter

Compare GMT to UTC instead
Coordinated Universal Time4:35 amFri, Jun 5
Coordinated Universal TimeUTC
Global · UTC
4:35 amFri, Jun 5
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Greenwich Mean TimeBST
Europe · UTC+1
5:35 amFri, Jun 5
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Offset

The time difference between Coordinated Universal Time and Greenwich Mean Time is 1 hour.

1 hour

Coordinated Universal Time (UTC) is behind Greenwich Mean Time (BST).

UTC: UTC

BST: UTC+1

Greenwich Mean Time is currently observing daylight saving time; Coordinated Universal Time is not.

When to schedule

Business-hours overlap: 9 AM–4 PM in Coordinated Universal Time (10 AM–5 PM in Greenwich Mean Time).

Both teams are in working hours during this window on weekdays.

Suggested time: 12:00 PM Coordinated Universal Time (1:00 PM Greenwich Mean Time).

This window may shift by an hour during daylight saving time.

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

United Kingdom

  • Good FridayFri, Apr 3
  • Early May Bank HolidayMon, May 4
  • Spring Bank HolidayMon, May 25
  • Christmas DayFri, Dec 25
  • St. Stephen's DayMon, Dec 28

About these zones

Coordinated Universal Time is also known as UTC.

Greenwich Mean Time is also known as GMT, or BST. To call United Kingdom, dial +44.

Greenwich Mean Time is approximately 3,550 miles north of Coordinated Universal Time.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

UTCGMTDay
12:00 am1:00 amSame day
1:00 am2:00 amSame day
2:00 am3:00 amSame day
3:00 am4:00 amSame day
4:00 am5:00 amSame day
5:00 am6:00 amSame day
6:00 am7:00 amSame day
7:00 am8:00 amSame day
8:00 am9:00 amSame day
9:00 am10:00 amSame day
10:00 am11:00 amSame day
11:00 am12:00 pmSame day
12:00 pm1:00 pmSame day
1:00 pm2:00 pmSame day
2:00 pm3:00 pmSame day
3:00 pm4:00 pmSame day
4:00 pm5:00 pmSame day
5:00 pm6:00 pmSame day
6:00 pm7:00 pmSame day
7:00 pm8:00 pmSame day
8:00 pm9:00 pmSame day
9:00 pm10:00 pmSame day
10:00 pm11:00 pmSame day
11:00 pm12:00 am+1 day

Daylight saving time

Greenwich Mean Time observes daylight saving time; Coordinated Universal Time does not. The offset between the two zones changes when Greenwich Mean Time transitions: on Sunday, October 25, 2026, clocks fall back from BST to GMT.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Coordinated Universal Time
Sunrise
5:56 AM
Sunset
6:03 PM
Day length
12h 7m
Greenwich Mean Time
Sunrise
4:47 AM
Sunset
9:13 PM
Day length
16h 25m

Daylight overlap: 12h 7m — 5:56 AM–6:03 PM in Coordinated Universal Time (6:56 AM–7:03 PM in Greenwich Mean Time). Both locations are in daylight during this window.

Cities in these zones

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Greenwich Mean Time

  • LCY
  • LGW
  • LHR
  • LTN
  • STN
  • BHX
  • EMA
  • GLA
  • PIK
  • LBA

Related conversions

Common conversions

What is 9:00 am UTC in GMT?
9:00 am UTC is 10:00 am GMT.
What is 12:00 pm UTC in GMT?
12:00 pm UTC is 1:00 pm GMT.
What is 12:30 pm UTC in GMT?
12:30 pm UTC is 1:30 pm GMT.
What is 2:00 pm UTC in GMT?
2:00 pm UTC is 3:00 pm GMT.
What is 5:00 pm UTC in GMT?
5:00 pm UTC is 6:00 pm GMT.
What is 11:30 pm UTC in GMT?
11:30 pm UTC is 12:30 am GMT, the next day.