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HKT to IST to London, United Kingdom to PDT

HKT
Hong Kong Time
GMT +8
IST
India Standard Time
GMT +5:30
London
United Kingdom
BST
PDT
Pacific Daylight Time
GMT -7

Time Difference

Hong Kong Time is 2 hours and 30 minutes ahead of India Standard Time and 7 hours ahead of BST (British Summer Time) and 15 hours ahead of Pacific Daylight Time
11:00 am11:00 in HKT is 8:30 am08:30 in IST and is 4:00 am04:00 in London, United Kingdom and is 8:00 pm20:00 in PDT

HKT to IST call time
Best time for a conference call or a meeting is between 10:30am-6pm in HKT which corresponds to 8am-3:30pm in IST
HKT to London call time
Best time for a conference call or a meeting is between 3pm-6pm in HKT which corresponds to 8am-11am in London
HKT to PDT call time
Best time for a conference call or a meeting is between 8:30pm-10:30pm in HKT which corresponds to 5:30am-7:30am in PDT

11:00 am11:00 Hong Kong Time (HKT). Offset UTC +8:00 hours
8:30 am08:30 India Standard Time (IST). Offset UTC +5:30 hours
4:00 am04:00 BST (British Summer Time) (London, United Kingdom). Offset UTC +1:00 hour
8:00 pm20:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours

11:00 am11:00 HKT / 8:30 am08:30 IST / 4:00 am04:00 London, United Kingdom / 8:00 pm20:00 PDT

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

Hong Kong Time

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

Countries: It is used in following countries: Hong Kong

Principal Cities: The largest city in the HKT timezone is Hong Kong from Hong Kong with population about 7.013 million people. Other major cities in the area are Kowloon, Tsuen Wan, Yuen Long Kau Hui, Sha Tin

Daylight Saving: Hong Kong Time (HKT) is not adjusted for daylight saving therefore HKT 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, Hong Kong Time remains the same

HKT Time Zone Geo Map
HKT timezone map

HKT 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 HKT
  • H - short form of 'Hotel'
IANA/Olson: Reflects HKT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Hong_Kong
  • Hongkong
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

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
  • Iran Standard Time - UTC +3:30

London Information

Time Zone

Abbreviation / Name
BST - British Summer Time
UTC / GMT Offset
+1:00 hour during British Summer Time, currently in use.

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

Pacific Daylight Time

Offset: PDT is 7 hours behind Greenwich Mean Time (GMT) and is used in North America

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

Principal Cities: The largest city in the PDT timezone is Los Angeles from USA with population about 3.793 million people. Other major cities in the area are Vancouver, Tijuana, San Diego, San Jose

French: HAP - Heure Avancée du Pacifique

Spanish: PT - Zona Noroeste

PDT Time Zone Geo Map
PDT timezone map

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

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Pacific Daylight Time (PDT) started 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. Daylight saving starts annually the on second Sunday of March

Daylight saving time clock moves back for one hour from 2am to 1amEnd: Pacific Daylight Time (PDT) ends 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 local standard time instead. Daylight saving ends annually the on first Sunday of November

PDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -07 - basic short
  • -0700 - basic
  • -07:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates seven 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
  • Tango - Military abbreviation for PDT
  • T - short form of 'Tango'
IANA/Olson: Reflects PDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Ensenada
  • America/Los_Angeles
  • America/Santa_Isabel
  • America/Tijuana
  • America/Vancouver
  • Canada/Pacific
  • Mexico/BajaNorte
  • PST8PDT
  • US/Pacific
Time zones with the GMT -7 offset:
  • MST - Mountain Standard Time
  • PDT - Pacific Daylight Time
  • YST - Yukon Standard Time
  • T - Tango Time Zone
EST to IST GMT to EST PST to EST EST to GMT PST to GMT