BST
British Summer Time
GMT +1
EDT/EST
Eastern Daylight Time
GMT -4
EST automatically adjusted to EDT time zone, that is in use
Qatar
+03

Time Difference

British Summer Time is 5 hours ahead of Eastern Daylight Time and 2 hours behind
11:00 pm23:00 in BST is 6:00 pm18:00 in EDT and is 1:00 am01:00 in Doha, Qatar

BST to EST call time
Best time for a conference call or a meeting is between 2pm-6pm in BST which corresponds to 8am-12pm in EST
BST to Doha call time
Best time for a conference call or a meeting is between 8am-4pm in BST which corresponds to 10am-6pm in Doha

11:00 pm23:00 British Summer Time (BST). Offset UTC +1:00 hour
6:00 pm18:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
1:00 am01:00 (Doha, Qatar). Offset UTC +3:00 hours

11:00 pm23:00 BST / 6:00 pm18:00 EDT / 1:00 am01:00 Doha, Qatar

BST EDT Doha, Qatar
12am (midnight) 7pm 2am
1am 8pm 3am
2am 9pm 4am
3am 10pm 5am
4am 11pm 6am
5am 12am (midnight) 7am
6am 1am 8am
7am 2am 9am
8am 3am 10am
9am 4am 11am
10am 5am 12pm (noon)
11am 6am 1pm
12pm (noon) 7am 2pm
1pm 8am 3pm
2pm 9am 4pm
3pm 10am 5pm
4pm 11am 6pm
5pm 12pm (noon) 7pm
6pm 1pm 8pm
7pm 2pm 9pm
8pm 3pm 10pm
9pm 4pm 11pm
10pm 5pm 12am (midnight)
11pm 6pm 1am
0:00 19:00 2:00
1:00 20:00 3:00
2:00 21:00 4:00
3:00 22:00 5:00
4:00 23:00 6:00
5:00 0:00 7:00
6:00 1:00 8:00
7:00 2:00 9:00
8:00 3:00 10:00
9:00 4:00 11:00
10:00 5:00 12:00
11:00 6:00 13:00
12:00 7:00 14:00
13:00 8:00 15:00
14:00 9:00 16:00
15:00 10:00 17:00
16:00 11:00 18:00
17:00 12:00 19:00
18:00 13:00 20:00
19:00 14:00 21:00
20:00 15:00 22:00
21:00 16:00 23:00
22:00 17:00 0:00
23:00 18:00 1:00

British Summer Time

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

Countries: It is used in following countries: Britain (UK), Guernsey, Isle of Man, Jersey

Principal Cities: The largest city in the BST timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Birmingham, Glasgow, Liverpool, Saint Helier

BST Time Zone Geo Map
BST timezone map

Daylight Saving: British Summer Time (BST) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Greenwich Mean Time (GMT).

Daylight saving time clock moves forward for one hour from 1am to 2amStart: British Summer Time (BST) started on Sunday, March 30, 2025 at 1:00 am local time and clocks were set one hour forward to Sunday, March 30, 2025, 2:00 am. Daylight saving starts annually the on last Sunday of March

Daylight saving time clock moves back for one hour from 2am to 1amEnd: British Summer Time (BST) ends on Sunday, October 26, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, October 26, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on last Sunday of October

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 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 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
  • Brasilia Standard Time - UTC -3
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

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States

Principal Cities: The largest city in the EST timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens

French: HNE - Heure Normale de l'Est

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

EST Time Zone Geo Map
EST timezone map

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Eastern Daylight Time (EDT).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Eastern Standard Time (EST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.

Daylight saving time clock moves back for one hour from 2am to 1amStart: Eastern Standard Time (EST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.

EST 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 five hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for EST
  • R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Atikokan
  • America/Cancun
  • America/Cayman
  • America/Coral_Harbour
  • America/Detroit
  • America/Fort_Wayne
  • America/Grand_Turk
  • America/Indiana/Indianapolis
  • America/Indiana/Marengo
  • America/Indiana/Petersburg
  • America/Indiana/Vevay
  • America/Indiana/Vincennes
  • America/Indiana/Winamac
  • America/Indianapolis
  • America/Iqaluit
  • America/Jamaica
  • America/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Panama
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST
  • EST5EDT
  • Jamaica
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
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

Doha Information

Time Zone

Abbreviation / Name
+03 -
UTC / GMT Offset
+3:00 hours during , currently in use.

Doha Facts

Country
Qatar
Alternative Names
Ad Dawha, Ad Dawhah, Ad Dawḩa, Ad Dawḩah, Ad Doha, Ad Dowhah, Ad-Dauha, Ad-Dawhah, Ad-Dawḩah, DOH, Daeuha, Dauha, Dauhá, Dawha, Dawhat al Qatar, Dawḥa, Dawḩat al Qaţar, Dewhe, Do'ha, Doh, Doha, Doho, Dokha, Dokhae, Dokho, Dooxa, Doʻha, Doḥa, Duoha, Däuha, Ntocha, aaldawhat, aldwhh, aldwht, deaha, do ha, doha, dohara, duo ha, dwhh, toka, Ντόχα, Дохæ, Доха, Дохо, Доҳа, Доһа, Դոհա, דאכא, דוחא, דוחה, الدوحة, الدوحه, اَلدَّوْحَة, دوحه, دوحہ, دوحە, دوھا, دەوحە, दोहा, দোহা, দোহার, ਦੋਹਾ, தோகா, ದೊಹಾ, ദോഹ, โดฮา, དྷོ་ཧ།, ဒိုဟာမြို့, დოჰა, ዶሃ, ドーハ, 多哈, 도하
Population
344,939
Currency
Rial (QAR)
Geographic Coordinates
25° 17' N Latitude / 51° 31' E Longitude
International Dialing Code
+974