GMT to UTC to London to SGT to Melbourne to Lagos to CET Time Converter

Time Difference

Greenwich Mean Time and Coordinated Universal Time have the same local time. Greenwich Mean Time is 1 hour behind BST (British Summer Time). Greenwich Mean Time is 8 hours behind Singapore Time. Greenwich Mean Time is 11 hours behind AEDT (Australian Eastern Daylight Time). Greenwich Mean Time is 1 hour behind WAT (West Africa Time). Greenwich Mean Time is 2 hours behind Central European Summer Time.
12:00 pm12:00 in GMT is 12:00 pm12:00 in UTC and is 1:00 pm13:00 in London, United Kingdom and is 8:00 pm20:00 in SGT and is 11:00 pm23:00 in Melbourne, Australia and is 1:00 pm13:00 in Lagos, Nigeria and is 2:00 pm14:00 in CEST

GMT to UTC call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in GMT which corresponds to 9am-5pm09:00-17:00 in UTC
GMT to London call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in GMT which corresponds to 10am-5pm10:00-17:00 in London
GMT to SGT call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in GMT which corresponds to 4:30pm-5:30pm16:30-17:30 in SGT. Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.
GMT to Melbourne call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in GMT which corresponds to 6pm-7pm18:00-19:00 in Melbourne. Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.
GMT to Lagos call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in GMT which corresponds to 10am-5pm10:00-17:00 in Lagos
GMT to CEST call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in GMT which corresponds to 11am-5pm11:00-17:00 in CEST

12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
12:00 pm12:00 Coordinated Universal Time (UTC). Offset UTC 0:00 hours
1:00 pm13:00 BST (British Summer Time) (London, United Kingdom). Offset UTC +1:00 hour
8:00 pm20:00 Singapore Time (SGT). Offset UTC +8:00 hours
11:00 pm23:00 AEDT (Australian Eastern Daylight Time) (Melbourne, Australia). Offset UTC +11:00 hours
1:00 pm13:00 WAT (West Africa Time) (Lagos, Nigeria). Offset UTC +1:00 hour
2:00 pm14:00 Central European Summer Time (CEST). Offset UTC +2:00 hours

12:00 pm12:00 GMT / 12:00 pm12:00 UTC / 1:00 pm13:00 London, United Kingdom / 8:00 pm20:00 SGT / 11:00 pm23:00 Melbourne, Australia / 1:00 pm13:00 Lagos, Nigeria / 2:00 pm14:00 CEST

Greenwich Mean Time

Offset: GMT is the same as Greenwich Mean Time (GMT).

Countries using this time zone: Burkina Faso, Côte d'Ivoire, Britain (UK), Guernsey, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Ireland, Isle of Man, Iceland, Jersey, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo

Principal Cities: The largest city in the GMT time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Dakar, Kumasi.

Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.

GMT representations, usage and related time zones

Coordinated Universal Time

Offset: UTC is the same as Greenwich Mean Time (GMT).

Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is the successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but UTC is the standard the scientific community uses.
UTC has been the time standard commonly used across the world since 1972. It is used in many technical fields, such as aviation and meteorology, and to synchronize time across internet networks.

UTC representations, usage and related time zones

Singapore Time

Offset: SGT is 8 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Singapore

Principal Cities: The largest city in the SGT time zone is Singapore in Singapore, with about 5.639 million people.

Daylight Saving: Clocks in Singapore Time (SGT) do not change for daylight saving time, so SGT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

SGT representations, usage and related time zones

Central European Time

Offset: CET is 1 hour ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Algeria, Spain, France, Gibraltar, Croatia, Hungary, Italy, Liechtenstein, Luxembourg, Monaco, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Serbia, Sweden, Slovenia, Svalbard & Jan Mayen, Slovakia, San Marino, Tunisia, Vatican City

Principal Cities: The largest city in the CET time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Algiers, Rome, Paris.

German: MEZ - Mitteleuropäische Zeit

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central European Summer Time (CEST).

End: Central European Time (CET) ended on Sunday, March 29, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the last Sunday of March.

Start: Central European Time (CET) starts on Sunday, October 25, 2026 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 2:00 am02:00. Standard time starts annually on the last Sunday of October.

See upcoming clock changes worldwide.

CET representations, usage and related time zones