GMT
Greenwich Mean Time
GMT +0
UTC
Universal Time Coordinated
GMT +0
United Kingdom
GMT
SGT
Singapore Time
GMT +8
Australia
AEDT
Nigeria
WAT
CET
Central European Time
GMT +1

Time Difference

Greenwich Mean Time is 0 hours ahead of Universal Time Coordinated and 0 hours ahead of GMT (Greenwich Mean Time) and 8 hours behind Singapore Time and 11 hours behind AEDT (Australian Eastern Daylight Time) and 1 hours behind WAT (West Africa Time) and 1 hours behind Central European Time
7:00 pm19:00 in GMT is 7:00 pm19:00 in UTC and is 7:00 pm19:00 in London, United Kingdom and is 3:00 am03:00 in SGT and is 6:00 am06:00 in Melbourne, Australia and is 8:00 pm20:00 in Lagos, Nigeria and is 8:00 pm20:00 in CET

GMT to UTC call time
Best time for a conference call or a meeting is between 8am-6pm in GMT which corresponds to 8am-6pm in UTC
GMT to London call time
Best time for a conference call or a meeting is between 8am-6pm in GMT which corresponds to 8am-6pm in London
GMT to SGT call time
Best time for a conference call or a meeting is between 8am-10am in GMT which corresponds to 4pm-6pm in SGT
GMT to Melbourne call time
Best time for a conference call or a meeting is between 7:30am-9:30am in GMT which corresponds to 6:30pm-8:30pm in Melbourne
GMT to Lagos call time
Best time for a conference call or a meeting is between 8am-5pm in GMT which corresponds to 9am-6pm in Lagos
GMT to CET call time
Best time for a conference call or a meeting is between 8am-5pm in GMT which corresponds to 9am-6pm in CET

7:00 pm19:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
7:00 pm19:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
7:00 pm19:00 GMT (Greenwich Mean Time) (London, United Kingdom). Offset UTC 0:00 hours
3:00 am03:00 Singapore Time (SGT). Offset UTC +8:00 hours
6:00 am06:00 AEDT (Australian Eastern Daylight Time) (Melbourne, Australia). Offset UTC +11:00 hours
8:00 pm20:00 WAT (West Africa Time) (Lagos, Nigeria). Offset UTC +1:00 hour
8:00 pm20:00 Central European Time (CET). Offset UTC +1:00 hour

7:00 pm19:00 GMT / 7:00 pm19:00 UTC / 7:00 pm19:00 London, United Kingdom / 3:00 am03:00 SGT / 6:00 am06:00 Melbourne, Australia / 8:00 pm20:00 Lagos, Nigeria / 8:00 pm20:00 CET

GMT UTC London, United Kingdom SGT Melbourne, Australia Lagos, Nigeria CET
12am (midnight) 12am (midnight) 12am (midnight) 8am 11am 1am 1am
1am 1am 1am 9am 12pm (noon) 2am 2am
2am 2am 2am 10am 1pm 3am 3am
3am 3am 3am 11am 2pm 4am 4am
4am 4am 4am 12pm (noon) 3pm 5am 5am
5am 5am 5am 1pm 4pm 6am 6am
6am 6am 6am 2pm 5pm 7am 7am
7am 7am 7am 3pm 6pm 8am 8am
8am 8am 8am 4pm 7pm 9am 9am
9am 9am 9am 5pm 8pm 10am 10am
10am 10am 10am 6pm 9pm 11am 11am
11am 11am 11am 7pm 10pm 12pm (noon) 12pm (noon)
12pm (noon) 12pm (noon) 12pm (noon) 8pm 11pm 1pm 1pm
1pm 1pm 1pm 9pm 12am (midnight) 2pm 2pm
2pm 2pm 2pm 10pm 1am 3pm 3pm
3pm 3pm 3pm 11pm 2am 4pm 4pm
4pm 4pm 4pm 12am (midnight) 3am 5pm 5pm
5pm 5pm 5pm 1am 4am 6pm 6pm
6pm 6pm 6pm 2am 5am 7pm 7pm
7pm 7pm 7pm 3am 6am 8pm 8pm
8pm 8pm 8pm 4am 7am 9pm 9pm
9pm 9pm 9pm 5am 8am 10pm 10pm
10pm 10pm 10pm 6am 9am 11pm 11pm
11pm 11pm 11pm 7am 10am 12am (midnight) 12am (midnight)
0:00 0:00 0:00 8:00 11:00 1:00 1:00
1:00 1:00 1:00 9:00 12:00 2:00 2:00
2:00 2:00 2:00 10:00 13:00 3:00 3:00
3:00 3:00 3:00 11:00 14:00 4:00 4:00
4:00 4:00 4:00 12:00 15:00 5:00 5:00
5:00 5:00 5:00 13:00 16:00 6:00 6:00
6:00 6:00 6:00 14:00 17:00 7:00 7:00
7:00 7:00 7:00 15:00 18:00 8:00 8:00
8:00 8:00 8:00 16:00 19:00 9:00 9:00
9:00 9:00 9:00 17:00 20:00 10:00 10:00
10:00 10:00 10:00 18:00 21:00 11:00 11:00
11:00 11:00 11:00 19:00 22:00 12:00 12:00
12:00 12:00 12:00 20:00 23:00 13:00 13:00
13:00 13:00 13:00 21:00 0:00 14:00 14:00
14:00 14:00 14:00 22:00 1:00 15:00 15:00
15:00 15:00 15:00 23:00 2:00 16:00 16:00
16:00 16:00 16:00 0:00 3:00 17:00 17:00
17:00 17:00 17:00 1:00 4:00 18:00 18:00
18:00 18:00 18:00 2:00 5:00 19:00 19:00
19:00 19:00 19:00 3:00 6:00 20:00 20:00
20:00 20:00 20:00 4:00 7:00 21:00 21:00
21:00 21:00 21:00 5:00 8:00 22:00 22:00
22:00 22:00 22:00 6:00 9:00 23:00 23:00
23:00 23:00 23:00 7:00 10:00 0:00 0:00

Greenwich Mean Time

Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe

Countries: It is used in following countries: 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 timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Abidjan, Dakar, Grand Dakar, Accra

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 for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.

GMT Time Zone Geo Map
GMT timezone map

GMT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for GMT
  • Z - short form of 'Zulu'
IANA/Olson: Reflects GMT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Abidjan
  • Africa/Accra
  • Africa/Bamako
  • Africa/Banjul
  • Africa/Bissau
  • Africa/Conakry
  • Africa/Dakar
  • Africa/Freetown
  • Africa/Lome
  • Africa/Monrovia
  • Africa/Nouakchott
  • Africa/Ouagadougou
  • Africa/Sao_Tome
  • Africa/Timbuktu
  • America/Danmarkshavn
  • Atlantic/Reykjavik
  • Atlantic/St_Helena
  • Eire
  • Etc/GMT
  • Etc/GMT+0
  • Etc/GMT-0
  • Etc/GMT0
  • Etc/Greenwich
  • Europe/Belfast
  • Europe/Dublin
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
  • GMT
  • GMT+0
  • GMT-0
  • GMT0
  • Greenwich
  • Iceland
GMT Abbreviation: Several time zones share GMT abbreviation and it could refer to these time zones
  • Greenwich Mean Time - UTC +0
  • GMT+03:00 - UTC +3
  • GMT-03:00 - UTC -3
  • GMT+07:00 - UTC +7
  • GMT+01:00 - UTC +1
  • GMT+12:00 - UTC +12
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Universal Time Coordinated
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

Universal Time Coordinated

Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal

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

UTC representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for UTC
  • Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Etc/UCT
  • Etc/UTC
  • Etc/Universal
  • Etc/Zulu
  • UCT
  • UTC
  • Universal
  • Zulu
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Universal Time Coordinated
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

London Information

Time Zone

Abbreviation / Name
GMT - Greenwich Mean Time
BST - British Summer Time
UTC / GMT Offset
0:00 hours during Greenwich Mean Time, currently in use.
+1:00 hour during British Summer Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 1am to 2am Sunday, March 27, 2022 at 1:00 am local time. DST starts annually the on last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 27, 2022, 2:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 2am to 1am Sunday, October 30, 2022 at 2:00 am local time. DST ends annually the on last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 30, 2022, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

London Facts

Country
United Kingdom
Alternative Names
ILondon, LON, Lakana, Landan, Landen, Ljondan, Llundain, Lodoni, Londain, Londan, Londar, Londe, Londen, Londin, Londinium, Londino, Londn, London, London osh, Londona, Londonas, Londoni, Londono, Londons, Londonu, Londra, Londres, Londrez, Londri, Londro, Londye, Londyn, Londýn, Lonn, Lontoo, Loundres, Luan GJon, Lun-tun, Lunden, Lundra, Lundun, Lundunir, Lundúnir, Lung-dung, Lunnainn, Lunnin, Lunnon, Luân Đôn, Lùn-tûn, Lùng-dŭng, Lûn-tun, Lākana, Lůndůn, Lọndọnu, Ranana, Rānana, ilantan, ladana, landan, landana, leondeon, lndn, london, londoni, lun dui, lun dun, lwndwn, lxndxn, rondon, Łondra, Λονδίνο, Лондан, Лондон, Лондон ош, Лондонъ, Лёндан, Լոնդոն, לאנדאן, לונדון, لأندأن, لندن, لوندون, لەندەن, ܠܘܢܕܘܢ, लंडन, लंदन, लण्डन, लन्डन्, लन्दन, লন্ডন, ਲੰਡਨ, લંડન, ଲଣ୍ଡନ, இலண்டன், లండన్, ಲಂಡನ್, ലണ്ടൻ, ලන්ඩන්, ลอนดอน, ລອນດອນ, ལོན་ཊོན།, လန်ဒန်မြို့, ლონდონი, ለንደን, ᎫᎴ ᏗᏍᎪᏂᎯᏱ, ロンドン, 伦敦, 倫敦, 런던
Population
7,556,900
Currency
Pound (GBP)
Geographic Coordinates
51° 30' N Latitude / 0° 07' W Longitude
International Dialing Code
+44

Singapore Time

Offset: SGT is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia

SGT Time Zone Geo Map
SGT timezone map

SGT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +08 - basic short
  • +0800 - basic
  • +08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates eight hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Hotel - Military abbreviation for SGT
  • H - short form of 'Hotel'
SGT Abbreviation: Several time zones share SGT abbreviation and it could refer to these time zones
  • Singapore Time - UTC +8
  • South Georgia Time - UTC -2
Time zones with the GMT +8 offset:
  • ACT - ASEAN Common Time
  • AWST - Australian Western Standard Time
  • BNT - Brunei Darussalam Time
  • CAST - Casey Time
  • CHOT - Choibalsan Time
  • CST - China Standard Time
  • H - Hotel Time Zone
  • HKT - Hong Kong Time
  • HOVST - Hovd Summer Time
  • IRKT - Irkutsk Time
  • KRAST - Krasnoyarsk Summer Time
  • MYT - Malaysia Time
  • PHT - Philippine Time
  • SGT - Singapore Time
  • ULAT - Ulaanbaatar Time
  • WITA - Central Indonesian Time

Melbourne Information

Time Zone

Abbreviation / Name
AEDT - Australian Eastern Daylight Time
AEST - Australian Eastern Standard Time
UTC / GMT Offset
+11:00 hours during Australian Eastern Daylight Time, currently in use.
+10:00 hours during Australian Eastern Standard Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3am Sunday, October 2, 2022 at 2:00 am local time. DST starts annually the on first Sunday of October. Clocks are turned forward 1 hour to Sunday, October 2, 2022, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 3am to 2am Sunday, April 3, 2022 at 3:00 am local time. DST ends annually the on first Sunday of April. Clocks are turned backward 1 hour to Sunday, April 3, 2022, 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Melbourne Facts

Country
Australia
Alternative Names
MEL, Mel'burn, Melbourne, Melbourne City, Melbournum, Melburn, Melburna, Melburnas, Melburno, Melvourni, mel beirn, melaborna, melbeoleun, melbeon, melporn, meruborun, mlbwrn, mo er ben, Μελβούρνη, Мелбурн, Мелбърн, Мельбурн, מלבורן, ملبورن, مېلبۇرن, मेलबोर्न, மெல்போர்ன், เมลเบิร์น, མེར་བུན, メルボルン, 墨尔本, 墨爾本, 멜버른, 멜번
Population
4,246,375
Currency
Dollar (AUD)
Geographic Coordinates
37° 48' S Latitude / 144° 57' E Longitude
International Dialing Code
+61

Lagos Information

Time Zone

Abbreviation / Name
WAT - West Africa Time
UTC / GMT Offset
+1:00 hour during West Africa Time, currently in use.

Lagos Facts

Country
Nigeria
Alternative Names
Eko, LOS, Lacupolis, Lagas, Lagos, Lagos shaary, Lagosa, Lagosas, Lagoso, Laguosos, Laqos, Logos, la ge si, lageas, laghws, lagos, lagosa, lagoseu, lagosi, laguseu, lagws, lajws, lakos, legosa, lek xs, ragosu, Èkó, Λάγος, Лагас, Лагос, Лагос шаары, Лаґос, Լագոս, לאגאס, לאגוס, لاجوس, لاغوس, لاگوس, لاگۆس, लागोस, লেগোস, ਲਾਗੋਸ, લાગોસ, லாகோஸ், లాగోస్, ಲಾಗೊಸ್, ലാഗോസ്, เลกอส, လေးဂို့စ်မြို့, ლაგოსი, ሌጎስ, ラゴス, 拉哥斯, 라고스, 라구스
Population
9,000,000
Currency
Naira (NGN)
Geographic Coordinates
6° 27' N Latitude / 3° 23' E Longitude
International Dialing Code
+234

Central European Time

Offset: CET is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe

Countries: It is used in following countries: 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 timezone is Berlin from Germany with population about 3.426 million people. Other major cities in the area are Madrid, Rome, Paris, Algiers

German: MEZ - Mitteleuropäische Zeit

CET Time Zone Geo Map
CET timezone map

Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Central European Summer Time (CEST).

Daylight saving time clock moves back for one hour from 3am to 2amStart: Central European Time (CET) started on Sunday, October 30, 2022 at 3:00 am local time and clocks were set one hour back to Sunday, October 30, 2022, 2:00 am. Standard time starts annually the on last Sunday of October.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Central European Time (CET) ends on Sunday, March 26, 2023 at 2:00 am local time and clocks are set one hour forward to Sunday, March 26, 2023, 3:00 am local daylight time instead. Standard time starts annually the on last Sunday of March.

CET representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for CET
  • A - short form of 'Alpha'
IANA/Olson: Reflects CET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Algiers
  • Africa/Ceuta
  • Africa/Tunis
  • Arctic/Longyearbyen
  • Atlantic/Jan_Mayen
  • CET
  • Europe/Amsterdam
  • Europe/Andorra
  • Europe/Belgrade
  • Europe/Berlin
  • Europe/Bratislava
  • Europe/Brussels
  • Europe/Budapest
  • Europe/Busingen
  • Europe/Copenhagen
  • Europe/Gibraltar
  • Europe/Ljubljana
  • Europe/Luxembourg
  • Europe/Madrid
  • Europe/Malta
  • Europe/Monaco
  • Europe/Oslo
  • Europe/Paris
  • Europe/Podgorica
  • Europe/Prague
  • Europe/Rome
  • Europe/San_Marino
  • Europe/Sarajevo
  • Europe/Skopje
  • Europe/Stockholm
  • Europe/Tirane
  • Europe/Vaduz
  • Europe/Vatican
  • Europe/Vienna
  • Europe/Warsaw
  • Europe/Zagreb
  • Europe/Zurich
  • Poland
Time zones with the GMT +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time