ET/EDT
UTC−4
Tue, Mar 30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
GST
UTC+4
Tue, Mar 30
8h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EEST
UTC+3
Tue, Mar 30
7h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CEST/CET
UTC+2
Tue, Mar 30
6h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Central Europe is on summer time: CEST (UTC+2) until Sun, Oct 31.
BST
UTC+1
Tue, Mar 30
5h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

12:00 pm12:00 EDT (UTC-4), Mar 30, 2021 = 8:00 pm20:00 GST (UTC+4), Mar 30, 2021 = 7:00 pm19:00 EEST (UTC+3), Mar 30, 2021 = 6:00 pm18:00 CEST (UTC+2), Mar 30, 2021 = 5:00 pm17:00 BST (UTC+1), Mar 30, 2021

EDT is 8 hours behind GST. EDT is 7 hours behind EEST. EDT is 6 hours behind CEST. EDT is 5 hours behind BST.

How the time difference changes

ET to GST

For most of the year, ET is 8 hours behind GST. From Nov 1, 2026 to Mar 14, 2027, ET is 9 hours behind GST.

For most of the year, working hours of 9:00 am to 6:00 pm in ET correspond to 5:00 pm to 2:00 am (next day) in GST. At other times of the year, working hours of 9:00 am to 6:00 pm in ET correspond to 6:00 pm to 3:00 am (next day) in GST.For most of the year, working hours of 09:00 to 18:00 in ET correspond to 17:00 to 02:00 (next day) in GST. At other times of the year, working hours of 09:00 to 18:00 in ET correspond to 18:00 to 03:00 (next day) in GST.

ET to EEST

For most of the year, ET is 7 hours behind EEST. From Nov 1, 2026 to Mar 14, 2027, ET is 7 hours behind EET. From Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, ET is 6 hours behind EET.

For most of the year, working hours of 9:00 am to 6:00 pm in ET correspond to 4:00 pm to 1:00 am (next day) in EEST. At other times of the year, working hours of 9:00 am to 6:00 pm in ET correspond to 4:00 pm to 1:00 am (next day) in EET or working hours of 9:00 am to 6:00 pm in ET correspond to 3:00 pm to 12:00 am (next day) in EET.For most of the year, working hours of 09:00 to 18:00 in ET correspond to 16:00 to 01:00 (next day) in EEST. At other times of the year, working hours of 09:00 to 18:00 in ET correspond to 16:00 to 01:00 (next day) in EET or working hours of 09:00 to 18:00 in ET correspond to 15:00 to 00:00 (next day) in EET.

ET to CET

For most of the year, ET is 6 hours behind CEST. From Nov 1, 2026 to Mar 14, 2027, ET is 6 hours behind CET. From Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, ET is 5 hours behind CET.

For most of the year, working hours of 9:00 am to 6:00 pm in ET correspond to 3:00 pm to 12:00 am (next day) in CEST. At other times of the year, working hours of 9:00 am to 6:00 pm in ET correspond to 3:00 pm to 12:00 am (next day) in CET or working hours of 9:00 am to 6:00 pm in ET correspond to 2:00 pm to 11:00 pm in CET.For most of the year, working hours of 09:00 to 18:00 in ET correspond to 15:00 to 00:00 (next day) in CEST. At other times of the year, working hours of 09:00 to 18:00 in ET correspond to 15:00 to 00:00 (next day) in CET or working hours of 09:00 to 18:00 in ET correspond to 14:00 to 23:00 in CET.

ET to BST

For most of the year, ET is 5 hours behind BST. From Nov 1, 2026 to Mar 14, 2027, ET is 5 hours behind GMT. From Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, ET is 4 hours behind GMT.

For most of the year, working hours of 9:00 am to 6:00 pm in ET correspond to 2:00 pm to 11:00 pm in BST. At other times of the year, working hours of 9:00 am to 6:00 pm in ET correspond to 2:00 pm to 11:00 pm in GMT or working hours of 9:00 am to 6:00 pm in ET correspond to 1:00 pm to 10:00 pm in GMT.For most of the year, working hours of 09:00 to 18:00 in ET correspond to 14:00 to 23:00 in BST. At other times of the year, working hours of 09:00 to 18:00 in ET correspond to 14:00 to 23:00 in GMT or working hours of 09:00 to 18:00 in ET correspond to 13:00 to 22:00 in GMT.

Compare ET time with GST, EEST, CET, and BST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Eastern Daylight Time is 8 hours behind Gulf Standard Time. Eastern Daylight Time is 7 hours behind Eastern European Summer Time. Eastern Daylight Time is 6 hours behind Central European Summer Time. Eastern Daylight Time is 5 hours behind British Summer Time.
12:00 pm12:00 in EDT is 8:00 pm20:00 in GST and is 7:00 pm19:00 in EEST and is 6:00 pm18:00 in CEST and is 5:00 pm17:00 in BST

EDT to GST call time
Best time for a conference call or a meeting is between 9am-10am09:00-10:00 in EDT which corresponds to 5pm-6pm17:00-18:00 in GST
EDT to EEST call time
Best time for a conference call or a meeting is between 9am-11am09:00-11:00 in EDT which corresponds to 4pm-6pm16:00-18:00 in EEST
EDT to CEST call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in EDT which corresponds to 3pm-6pm15:00-18:00 in CEST
EDT to BST call time
Best time for a conference call or a meeting is between 9am-1pm09:00-13:00 in EDT which corresponds to 2pm-6pm14:00-18:00 in BST

12:00 pm12:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
8:00 pm20:00 Gulf Standard Time (GST). Offset UTC +4:00 hours
7:00 pm19:00 Eastern European Summer Time (EEST). Offset UTC +3:00 hours
6:00 pm18:00 Central European Summer Time (CEST). Offset UTC +2:00 hours
5:00 pm17:00 British Summer Time (BST). Offset UTC +1:00 hour

12:00 pm12:00 EDT / 8:00 pm20:00 GST / 7:00 pm19:00 EEST / 6:00 pm18:00 CEST / 5:00 pm17:00 BST

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
ETGSTEESTCESTBST
8:00am7:00am6:00am5:00am
9:00am8:00am7:00am6:00am
10:00am9:00am8:00am7:00am
11:00am10:00am9:00am8:00am
12:00pm11:00am10:00am9:00am
1:00pm12:00pm11:00am10:00am
2:00pm1:00pm12:00pm11:00am
3:00pm2:00pm1:00pm12:00pm
4:00pm3:00pm2:00pm1:00pm
5:00pm4:00pm3:00pm2:00pm
6:00pm5:00pm4:00pm3:00pm
7:00pm6:00pm5:00pm4:00pm
8:00pm7:00pm6:00pm5:00pm
9:00pm8:00pm7:00pm6:00pm
10:00pm9:00pm8:00pm7:00pm
11:00pm10:00pm9:00pm8:00pm
12:00am next day11:00pm10:00pm9:00pm
1:00am next day12:00am next day11:00pm10:00pm
2:00am next day1:00am next day12:00am next day11:00pm
3:00am next day2:00am next day1:00am next day12:00am next day
4:00am next day3:00am next day2:00am next day1:00am next day
5:00am next day4:00am next day3:00am next day2:00am next day
6:00am next day5:00am next day4:00am next day3:00am next day
7:00am next day6:00am next day5:00am next day4:00am next day
08:0007:0006:0005:00
09:0008:0007:0006:00
10:0009:0008:0007:00
11:0010:0009:0008:00
12:0011:0010:0009:00
13:0012:0011:0010:00
14:0013:0012:0011:00
15:0014:0013:0012:00
16:0015:0014:0013:00
17:0016:0015:0014:00
18:0017:0016:0015:00
19:0018:0017:0016:00
20:0019:0018:0017:00
21:0020:0019:0018:00
22:0021:0020:0019:00
23:0022:0021:0020:00
00:00 next day23:0022:0021:00
01:00 next day00:00 next day23:0022:00
02:00 next day01:00 next day00:00 next day23:00
03:00 next day02:00 next day01:00 next day00:00 next day
04:00 next day03:00 next day02:00 next day01:00 next day
05:00 next day04:00 next day03:00 next day02:00 next day
06:00 next day05:00 next day04:00 next day03:00 next day
07:00 next day06:00 next day05:00 next day04:00 next day

Eastern Time

Eastern Time (ET) is a general term used to describe the areas that observe either the Eastern Standard Time (EST) or Eastern Daylight Time (EDT) in the United States and Canada. ET is not static but switches between EDT and EST.

ET is also used somewhat as a de facto official time for all of the United States because it encompasses 17 U.S. states in the eastern part of the contiguous United States including the capital city Washington D.C., the most populous city New York and half of the country’s population.

In the United States nationally televised programs, evening newscasts, talent and awards shows, and any other nationally televised event that airs live on American television during prime time and on the weekends are broadcast live in the Eastern Time Zone. Major professional sports leagues MLB, NBA, NFL and NHL also provide their game times in Eastern Time, even if teams are from outside of Eastern Time.

Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States

Principal Cities: The largest city in the ET time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.

French: HNE - Heure Normale de l'Est

Spanish: ET - Tiempo del Este, ET - Zona Sureste

Map of the areas on Eastern Time (ET)
ET all year ET part of the year

On March 30, 2021 the lighter areas are on UTC−5 (Central Daylight Time, EST).

ET representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for ET
  • R - short form of 'Romeo'
ET Abbreviation: Several time zones share ET abbreviation and it could refer to these time zones
  • Eastern Time - UTC -5
  • Tiempo del Este - UTC -5
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone

Gulf Standard Time

Offset: GST is 4 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Oman, United Arab Emirates

Principal Cities: The largest city in the GST time zone is Dubai in the United Arab Emirates, with about 3.79 million people. Other major cities in this time zone include Abu Dhabi, Sharjah, Al Ain City, Muscat.

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

GST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +04 - basic short
  • +0400 - basic
  • +04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0400 - sign character (+) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Delta - Military abbreviation for GST
  • D - short form of 'Delta'
Time zones with the GMT +4 offset:
  • KUYT - Kuybyshev Time
  • MSD - Moscow Daylight Time
  • SAMT - Samara Time
  • AMT - Armenia Time
  • AZT - Azerbaijan Time
  • D - Delta Time Zone
  • GET - Georgia Standard Time
  • GST - Gulf Standard Time
  • MUT - Mauritius Time
  • RET - Reunion Time
  • SCT - Seychelles Time

Eastern European Summer Time

Offset: EEST is 3 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Åland Islands, Bulgaria, Cyprus, Egypt, Estonia, Finland, Greece, Latvia, Lebanon, Lithuania, Moldova, Palestinian Territory, Romania, Ukraine

Principal Cities: The largest city in the EEST time zone is Cairo in Egypt, with about 9.607 million people. Other major cities in this time zone include Alexandria, Giza, Kyiv, Beirut.

German: OESZ - Osteuropäische Sommerzeit

Map of the areas on Eastern European Summer Time (EEST)
EEST part of the year

On March 30, 2021 some of the shaded areas are on UTC+2 (EET).

Daylight Saving: Eastern European Summer Time (EEST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Eastern European Time (EET).

123456789101112Start: Eastern European Summer Time (EEST) started on Sunday, March 28, 2021 at 3:00 am03:00 local time and clocks were set one hour forward to Sunday, March 28, 2021, 4:00 am04:00. Daylight saving starts annually on the last Sunday of March.

123456789101112End: Eastern European Summer Time (EEST) ends on Sunday, October 31, 2021 at 4:00 am04:00 local time and clocks are set one hour back to Sunday, October 31, 2021, 3:00 am03:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

See upcoming clock changes worldwide.

EEST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +03 - basic short
  • +0300 - basic
  • +03:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0300 - sign character (+) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Charlie - Military abbreviation for EEST
  • C - short form of 'Charlie'
IANA/Olson: Reflects EEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Cairo
  • Asia/Beirut
  • Asia/Famagusta
  • Asia/Gaza
  • Asia/Hebron
  • Asia/Nicosia
  • EET
  • Egypt
  • Europe/Athens
  • Europe/Bucharest
  • Europe/Chisinau
  • Europe/Helsinki
  • Europe/Kiev
  • Europe/Kyiv
  • Europe/Mariehamn
  • Europe/Nicosia
  • Europe/Riga
  • Europe/Sofia
  • Europe/Tallinn
  • Europe/Tiraspol
  • Europe/Uzhgorod
  • Europe/Vilnius
  • Europe/Zaporozhye
Time zones with the GMT +3 offset:
  • EEST - Eastern European Summer Time
  • MSK - Moscow Standard Time
  • AST - Arabia Standard Time
  • C - Charlie Time Zone
  • EAT - Eastern Africa Time
  • FET - Further Eastern European Time
  • IDT - Israel Daylight Time
  • TRT - Turkey Time

Central European Time

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

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

Map of the areas on Central European Time (CET)
CET all year CET part of the year

On March 30, 2021 the lighter areas are on UTC+2 (CEST).

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).

123456789101112End: Central European Time (CET) ended on Sunday, March 28, 2021 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 28, 2021, 3:00 am03:00 local daylight time instead. Standard time ends annually on the last Sunday of March.

123456789101112Start: Central European Time (CET) starts on Sunday, October 31, 2021 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, October 31, 2021, 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

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 an offset of one hour 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
  • MET
  • 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

British Summer Time

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

Countries using this time zone: Guernsey, Isle of Man, Jersey, United Kingdom

Principal Cities: The largest city in the BST time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.

Current time in the United Kingdom: UK time now

Map of the areas on British Summer Time (BST)
BST part of the year

On March 30, 2021 all shaded areas are on BST.

Daylight Saving: British Summer Time (BST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Greenwich Mean Time (GMT).

123456789101112Start: British Summer Time (BST) started on Sunday, March 28, 2021 at 1:00 am01:00 local time and clocks were set one hour forward to Sunday, March 28, 2021, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.

123456789101112End: British Summer Time (BST) ends on Sunday, October 31, 2021 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 31, 2021, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

See United Kingdom daylight saving time and upcoming clock changes worldwide.

BST 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 an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for BST
  • A - short form of 'Alpha'
IANA/Olson: Reflects BST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Europe/Belfast
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
BST Abbreviation: Several time zones share BST abbreviation and it could refer to these time zones
  • British Summer Time - UTC +1
  • Bangladesh Standard Time - UTC +6
  • Bougainville Standard Time - UTC +11
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