Hawaii, USA
HST
PHT
Philippine Time
GMT +8
PDT/PST
Pacific Daylight Time
GMT -7
PST automatically adjusted to PDT time zone, that is in use

Time Difference

HST (Hawaii Standard Time) is 18 hours behind Philippine Time and 3 hours behind Pacific Daylight Time
10:00 pm22:00 in Honolulu, HI, USA is 4:00 pm16:00 in PHT and is 1:00 am01:00 in PDT

Honolulu to PHT call time
Best time for a conference call or a meeting is between 4am-6am in Honolulu which corresponds to 10pm-12pm in PHT
Honolulu to PST call time
Best time for a conference call or a meeting is between 8am-4pm in Honolulu which corresponds to 10am-6pm in PST

10:00 pm22:00 HST (Hawaii Standard Time) (Honolulu, HI, USA). Offset UTC -10:00 hours
4:00 pm16:00 Philippine Time (PHT). Offset UTC +8:00 hours
1:00 am01:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours

10:00 pm22:00 Honolulu, HI, USA / 4:00 pm16:00 PHT / 1:00 am01:00 PDT

Honolulu, HI, USA PHT PDT
12am (midnight) 6pm 3am
1am 7pm 4am
2am 8pm 5am
3am 9pm 6am
4am 10pm 7am
5am 11pm 8am
6am 12am (midnight) 9am
7am 1am 10am
8am 2am 11am
9am 3am 12pm (noon)
10am 4am 1pm
11am 5am 2pm
12pm (noon) 6am 3pm
1pm 7am 4pm
2pm 8am 5pm
3pm 9am 6pm
4pm 10am 7pm
5pm 11am 8pm
6pm 12pm (noon) 9pm
7pm 1pm 10pm
8pm 2pm 11pm
9pm 3pm 12am (midnight)
10pm 4pm 1am
11pm 5pm 2am
0:00 18:00 3:00
1:00 19:00 4:00
2:00 20:00 5:00
3:00 21:00 6:00
4:00 22:00 7:00
5:00 23:00 8:00
6:00 0:00 9:00
7:00 1:00 10:00
8:00 2:00 11:00
9:00 3:00 12:00
10:00 4:00 13:00
11:00 5:00 14:00
12:00 6:00 15:00
13:00 7:00 16:00
14:00 8:00 17:00
15:00 9:00 18:00
16:00 10:00 19:00
17:00 11:00 20:00
18:00 12:00 21:00
19:00 13:00 22:00
20:00 14:00 23:00
21:00 15:00 0:00
22:00 16:00 1:00
23:00 17:00 2:00

Honolulu Information

Time Zone

Abbreviation / Name
HST - Hawaii Standard Time
UTC / GMT Offset
-10:00 hours during Hawaii Standard Time, currently in use.

Honolulu Facts

Country
USA
State
Hawaii
Alternative Names
Anorourou, Chonoloulou, Gana-Rura, Gana-ruru, Ganalulu, Ganaruro, Ganaruru, Gonolulu, HNL, Hana-Rura, Hana-Ruru, Hana-ruru, Honoloulou, Honolulu, Honolulú, Honolúlú, Honoruru, Khonolulu, Than-hiong-san, Thàn-hiông-sân, hanalulu, hanululu, honalulu, honollullu, honolulu, honoruru, hwnwlwlw, tan xiang shan, Χονολουλού, Ганалулу, Гонолулу, Хонолулу, Һонолулу, Հոնոլուլու, האנאלולו, הונולולו, هونولولو, ہwnwlwlw ہwayy, ہونولولو, ہونولولو، ہوائی, हानलूलू, होनालुलु, होनोलुलु, होनोलूलू, হনলুলু, হনুলুলু, ହନଲୁଲୁ, ஹொனலுலு, ಹೊನೊಲುಲು, โฮโนลูลู, ཧོ་ནོ་ལུ་ལུ།, ဟိုနိုလူလူမြို့, ჰონოლულუ, ሆኖሉሉ, ホノルル, 檀香山, 호놀룰루
Population
371,657
Currency
Dollar (USD)
Geographic Coordinates
21° 18' N Latitude / 157° 51' W Longitude
International Dialing Code
+1

Philippine Time

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

PHT Time Zone Geo Map
PHT timezone map

PHT 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 PHT
  • H - short form of 'Hotel'
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

Pacific Standard Time

Offset: PST is 8 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 PST 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: HNP - Heure Normale du Pacifique

Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste

PST Time Zone Geo Map
PST 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 Pacific Daylight Time (PDT).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Pacific Standard Time (PST) 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: Pacific Standard Time (PST) 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.

PST 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 west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Uniform - Military abbreviation for PST
  • U - short form of 'Uniform'
IANA/Olson: Reflects PST 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
PST Abbreviation: Several time zones share PST abbreviation and it could refer to these time zones
  • Pacific Standard Time - UTC -8
  • Pitcairn Standard Time - UTC -8
  • Peru Standard Time - UTC -5
Time zones with the GMT -8 offset:
  • AKDT - Alaska Daylight Time
  • PST - Pacific Standard Time
  • PT - Pacific Time
  • PST - Pitcairn Standard Time
  • U - Uniform Time Zone