CDT (Central Daylight Time)
GMT -5
PKT
Pakistan Standard Time
GMT +5
IST
India Standard Time
GMT +5:30
BST (British Summer Time)
GMT +1

Time Difference

CDT (Central Daylight Time) is 10 hours behind of Pakistan Standard Time and 10 hours and 30 minutes behind of India Standard Time and 9 hours behind of and 6 hours behind of BST (British Summer Time)
So 9:00 pm21:00 in Dallas, Texas, USA is 7:00 am07:00 in PKT and is 7:30 am07:30 in IST and is 6:00 am06:00 in Dubai, United Arab Emirates and is 3:00 am03:00 in London, United Kingdom

9:00 pm21:00 CDT (Central Daylight Time) (Dallas, Texas, USA). Offset UTC -5:00 hours
7:00 am07:00 Pakistan Standard Time (PKT). Offset UTC +5:00 hours
7:30 am07:30 India Standard Time (IST). Offset UTC +5:30 hours
6:00 am06:00 (Dubai, United Arab Emirates). Offset UTC +4:00 hours
3:00 am03:00 BST (British Summer Time) (London, United Kingdom). Offset UTC +1:00 hour

9:00 pm21:00 Dallas, Texas, USA / 7:00 am07:00 PKT / 7:30 am07:30 IST / 6:00 am06:00 Dubai, United Arab Emirates / 3:00 am03:00 London, United Kingdom

Dallas, Texas, USA PKT IST Dubai, United Arab Emirates London, United Kingdom
12am (midnight) 10am 10:30 am 9am 6am
1am 11am 11:30 am 10am 7am
2am 12pm (noon) 12:30 pm 11am 8am
3am 1pm 1:30 pm 12pm (noon) 9am
4am 2pm 2:30 pm 1pm 10am
5am 3pm 3:30 pm 2pm 11am
6am 4pm 4:30 pm 3pm 12pm (noon)
7am 5pm 5:30 pm 4pm 1pm
8am 6pm 6:30 pm 5pm 2pm
9am 7pm 7:30 pm 6pm 3pm
10am 8pm 8:30 pm 7pm 4pm
11am 9pm 9:30 pm 8pm 5pm
12pm (noon) 10pm 10:30 pm 9pm 6pm
1pm 11pm 11:30 pm 10pm 7pm
2pm 12am (midnight) 12:30 am 11pm 8pm
3pm 1am 1:30 am 12am (midnight) 9pm
4pm 2am 2:30 am 1am 10pm
5pm 3am 3:30 am 2am 11pm
6pm 4am 4:30 am 3am 12am (midnight)
7pm 5am 5:30 am 4am 1am
8pm 6am 6:30 am 5am 2am
9pm 7am 7:30 am 6am 3am
10pm 8am 8:30 am 7am 4am
11pm 9am 9:30 am 8am 5am
0:00 10:00 10:30 9:00 6:00
1:00 11:00 11:30 10:00 7:00
2:00 12:00 12:30 11:00 8:00
3:00 13:00 13:30 12:00 9:00
4:00 14:00 14:30 13:00 10:00
5:00 15:00 15:30 14:00 11:00
6:00 16:00 16:30 15:00 12:00
7:00 17:00 17:30 16:00 13:00
8:00 18:00 18:30 17:00 14:00
9:00 19:00 19:30 18:00 15:00
10:00 20:00 20:30 19:00 16:00
11:00 21:00 21:30 20:00 17:00
12:00 22:00 22:30 21:00 18:00
13:00 23:00 23:30 22:00 19:00
14:00 0:00 0:30 23:00 20:00
15:00 1:00 1:30 0:00 21:00
16:00 2:00 2:30 1:00 22:00
17:00 3:00 3:30 2:00 23:00
18:00 4:00 4:30 3:00 0:00
19:00 5:00 5:30 4:00 1:00
20:00 6:00 6:30 5:00 2:00
21:00 7:00 7:30 6:00 3:00
22:00 8:00 8:30 7:00 4:00
23:00 9:00 9:30 8:00 5:00

CDT (Central Daylight Time)

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

Countries: It is used in following countries: Canada, Cuba, Mexico, United States

Principal Cities: The largest city in the CDT timezone is Mexico City from Mexico with population about 12.294 million people. Other major cities in the area are Chicago, Havana, Houston, Iztapalapa

Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Central Standard Time (CST).

Start: Central Daylight Time (CDT) starts annually on the same date and time. and clocks were set one hour forward on Sunday, March 8, 2020, at 2:00 (2:00 am) local time.

End: Central Daylight Time (CDT) ends annually on the same date and time. and clocks are set one hour back on Sunday, November 1, 2020, at 2:00 (2:00 am) local time.

French: HAC - Heure Avancée du Centre

Spanish: CT - Zona Centro

Dallas, Texas, USA Time Zone Geo Map
Dallas, Texas, USA timezone map
Dallas, Texas, USA 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 CDT
  • R - short form of 'Romeo'

IANA/Olson: Reflects CDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Bahia_Banderas
  • America/Chicago
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • America/Matamoros
  • America/Menominee
  • America/Merida
  • America/Mexico_City
  • America/Monterrey
  • America/North_Dakota/Beulah
  • America/North_Dakota/Center
  • America/North_Dakota/New_Salem
  • America/Rainy_River
  • America/Rankin_Inlet
  • America/Resolute
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • Mexico/General
  • US/Central
  • US/Indiana-Starke

CDT Abbreviation: Several time zones share CDT abbreviation and it could refer to these time zones

  • Central Daylight Time - UTC -5
  • Cuba Daylight Time - UTC -4

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
  • -05 -
  • CWT -


Pakistan Standard Time

Offset: PKT is 5 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries: It is used in following countries: Pakistan

Principal Cities: The largest city in the PKT timezone is Karachi from Pakistan with population about 11.624 million people. Other major cities in the area are Lahore, Faisalabad, Rawalpindi, Multan

Daylight Saving: Pakistan Standard Time (PKT) is not adjusted for daylight saving therefore PKT remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Pakistan Standard Time remains the same

PKT Time Zone Geo Map
PKT timezone map
PKT 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 east of the zero meridian.

Military/NATO: Used by the U.S. military, Chinese military and others
  • Echo - Military abbreviation for PKT
  • E - short form of 'Echo'

IANA/Olson: Reflects PKT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Karachi

Time zones with the GMT +5 offset:

  • AMST - Armenia Summer Time
  • AQTT - Aqtobe Time
  • AZST - Azerbaijan Summer Time
  • E - Echo Time Zone
  • MAWT - Mawson Time
  • MVT - Maldives Time
  • ORAT - Oral Time
  • PKT - Pakistan Standard Time
  • TFT - French Southern and Antarctic Time
  • TJT - Tajikistan Time
  • TMT - Turkmenistan Time
  • UZT - Uzbekistan Time
  • YEKT - Yekaterinburg Time
  • HMT - Heard and McDonald Islands Time
  • +05 -


India Standard Time

Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia

Countries: It is used in following countries: India

Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai

Daylight Saving: India Standard Time (IST) is not adjusted for daylight saving therefore IST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, India Standard Time remains the same

IST Time Zone Geo Map
IST timezone map
IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended

Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates five hour and thirty minutes time differences to the east of the zero meridian.

IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata

IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones

  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2


Dubai, United Arab Emirates

Offset: +04 is 4 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries: It is used in following countries: United Arab Emirates, Armenia, Azerbaijan, Georgia, Mauritius, Oman, Réunion, Russia, Seychelles

Principal Cities: The largest city in the +04 timezone is Dubai from United Arab Emirates with population about 1.137 million people. Other major cities in the area are Samara, Baku, Yerevan, Tbilisi

Daylight Saving: (+04) is not adjusted for daylight saving therefore +04 remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, remains the same

Dubai, United Arab Emirates 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 four 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
  • Delta - Military abbreviation for +04
  • D - short form of 'Delta'

IANA/Olson: Reflects +04 time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Baku
  • Asia/Dubai
  • Asia/Muscat
  • Asia/Tbilisi
  • Asia/Yerevan
  • Etc/GMT-4
  • Europe/Astrakhan
  • Europe/Samara
  • Europe/Saratov
  • Europe/Ulyanovsk
  • Europe/Volgograd
  • Indian/Mahe
  • Indian/Mauritius
  • Indian/Reunion

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
  • +04 -


BST (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

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).

Start: British Summer Time (BST) starts annually on the same date and time. and clocks were set one hour forward on Sunday, March 29, 2020, at 1:00 (1:00 am) local time.

End: British Summer Time (BST) ends annually on the same date and time. and clocks are set one hour back on Sunday, October 25, 2020, at 2:00 (2:00 am) local time.

London, United Kingdom Time Zone Geo Map
London, United Kingdom timezone map
London, United Kingdom 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

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
  • +01 -