PST to EST to GMT to CET to HKT to AEST to NZDT Time Converter

Updating current time…
PST
Pacific Standard Time
UTC−8
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EST
Eastern Standard Time
UTC−5
3h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
GMT
Greenwich Mean Time
UTC+0
8h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CET
Central European Time
UTC+1
9h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
HKT
Hong Kong Time
UTC+8
16h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
AEST
Australian Eastern Standard Time
UTC+10
18h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Eastern Australia is on daylight saving time: AEDT (UTC+11) until Sun, Apr 4, 2027.

Queensland stays on AEST (UTC+10).

Queensland · AEST all year (UTC+10)Sydney, Melbourne · AEDT (UTC+11)
NZDT
New Zealand Daylight Time
UTC+13
tomorrow (next day)
21h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

4:00 am04:00 PST (UTC-8), Nov 5, 2026 = 7:00 am07:00 EST (UTC-5), Nov 5, 2026 = 12:00 pm12:00 GMT (UTC+0), Nov 5, 2026 = 1:00 pm13:00 CET (UTC+1), Nov 5, 2026 = 8:00 pm20:00 HKT (UTC+8), Nov 5, 2026 = 10:00 pm22:00 AEST (UTC+10), Nov 5, 2026 = 1:00 am01:00 NZDT (UTC+13), Nov 6, 2026

PST is 3 hours behind EST. PST is 8 hours behind GMT. PST is 9 hours behind CET. PST is 16 hours behind HKT. PST is 18 hours behind AEST. PST is 21 hours behind NZDT.

How the time difference changes

PST to EST

For most of the year, PDT is 3 hours behind EDT. From Nov 1, 2026 to Mar 14, 2027, PST is 3 hours behind EST. Briefly around clock changes, PDT is 2 hours behind EST or PST is 4 hours behind EDT.

For most of the year, working hours of 9:00 am to 6:00 pm in PDT correspond to 12:00 pm to 9:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in PST correspond to 12:00 pm to 9:00 pm in EST.For most of the year, working hours of 09:00 to 18:00 in PDT correspond to 12:00 to 21:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in PST correspond to 12:00 to 21:00 in EST.

PST to GMT

For most of the year, PDT is 7 hours behind GMT. From Nov 1, 2026 to Mar 14, 2027, PST is 8 hours behind GMT.

For most of the year, working hours of 9:00 am to 6:00 pm in PDT correspond to 4:00 pm to 1:00 am (next day) in GMT. At other times of the year, working hours of 9:00 am to 6:00 pm in PST correspond to 5:00 pm to 2:00 am (next day) in GMT.For most of the year, working hours of 09:00 to 18:00 in PDT correspond to 16:00 to 01:00 (next day) in GMT. At other times of the year, working hours of 09:00 to 18:00 in PST correspond to 17:00 to 02:00 (next day) in GMT.

PST to CET

For most of the year, PDT is 9 hours behind CEST. From Nov 1, 2026 to Mar 14, 2027, PST is 9 hours behind CET. From Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, PDT is 8 hours behind CET.

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

PST to HKT

For most of the year, PDT is 15 hours behind HKT. From Nov 1, 2026 to Mar 14, 2027, PST is 16 hours behind HKT.

For most of the year, working hours of 9:00 am to 6:00 pm in PDT correspond to 12:00 am (next day) to 9:00 am (next day) in HKT. At other times of the year, working hours of 9:00 am to 6:00 pm in PST correspond to 1:00 am (next day) to 10:00 am (next day) in HKT.For most of the year, working hours of 09:00 to 18:00 in PDT correspond to 00:00 (next day) to 09:00 (next day) in HKT. At other times of the year, working hours of 09:00 to 18:00 in PST correspond to 01:00 (next day) to 10:00 (next day) in HKT.

PST to AEST

For most of the year, PDT is 17 hours behind AEST. From Nov 1, 2026 to Mar 14, 2027, PST is 18 hours behind AEST.

For most of the year, working hours of 9:00 am to 6:00 pm in PDT correspond to 2:00 am (next day) to 11:00 am (next day) in AEST. At other times of the year, working hours of 9:00 am to 6:00 pm in PST correspond to 3:00 am (next day) to 12:00 pm (next day) in AEST.For most of the year, working hours of 09:00 to 18:00 in PDT correspond to 02:00 (next day) to 11:00 (next day) in AEST. At other times of the year, working hours of 09:00 to 18:00 in PST correspond to 03:00 (next day) to 12:00 (next day) in AEST.

PST to NZDT

Depending on seasonal clock changes, PDT is 19 hours behind NZST, PDT is 20 hours behind NZDT, or PST is 21 hours behind NZDT.

Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in PDT correspond to 4:00 am (next day) to 1:00 pm (next day) in NZST, working hours of 9:00 am to 6:00 pm in PDT correspond to 5:00 am (next day) to 2:00 pm (next day) in NZDT, or working hours of 9:00 am to 6:00 pm in PST correspond to 6:00 am (next day) to 3:00 pm (next day) in NZDT.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in PDT correspond to 04:00 (next day) to 13:00 (next day) in NZST, working hours of 09:00 to 18:00 in PDT correspond to 05:00 (next day) to 14:00 (next day) in NZDT, or working hours of 09:00 to 18:00 in PST correspond to 06:00 (next day) to 15:00 (next day) in NZDT.

Compare PST time with EST, GMT, CET, HKT, AEST, and NZDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Pacific Standard Time is 3 hours behind Eastern Standard Time. Pacific Standard Time is 8 hours behind Greenwich Mean Time. Pacific Standard Time is 9 hours behind Central European Time. Pacific Standard Time is 16 hours behind Hong Kong Time. Pacific Standard Time is 18 hours behind Australian Eastern Standard Time. Pacific Standard Time is 21 hours behind New Zealand Daylight Time.
4:00 am04:00 in PST is 7:00 am07:00 in EST and is 12:00 pm12:00 in GMT and is 1:00 pm13:00 in CET and is 8:00 pm20:00 in HKT and is 10:00 pm22:00 in AEST and is 1:00 am01:00 in NZDT

PST to EST call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in PST which corresponds to 12pm-6pm12:00-18:00 in EST
PST to GMT call time
Best time for a conference call or a meeting is between 9am-10am09:00-10:00 in PST which corresponds to 5pm-6pm17:00-18:00 in GMT
PST to CET call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in PST which corresponds to 5:30pm-6:30pm17:30-18:30 in CET. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
PST to HKT call time
Best time for a conference call or a meeting is between 5pm-6pm17:00-18:00 in PST which corresponds to 9am-10am09:00-10:00 in HKT (next day)
PST to AEST call time
Best time for a conference call or a meeting is between 3pm-6pm15:00-18:00 in PST which corresponds to 9am-12pm09:00-12:00 in AEST (next day)
PST to NZDT call time
Best time for a conference call or a meeting is between 12pm-6pm12:00-18:00 in PST which corresponds to 9am-3pm09:00-15:00 in NZDT (next day)

4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
1:00 pm13:00 Central European Time (CET). Offset UTC +1:00 hour
8:00 pm20:00 Hong Kong Time (HKT). Offset UTC +8:00 hours
10:00 pm22:00 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
1:00 am01:00 New Zealand Daylight Time (NZDT). Offset UTC +13:00 hours

4:00 am04:00 PST / 7:00 am07:00 EST / 12:00 pm12:00 GMT / 1:00 pm13:00 CET / 8:00 pm20:00 HKT / 10:00 pm22:00 AEST / 1:00 am01:00 NZDT

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
PSTESTGMTCETHKTAESTNZDT
3:00am8:00am9:00am4:00pm6:00pm9:00pm
4:00am9:00am10:00am5:00pm7:00pm10:00pm
5:00am10:00am11:00am6:00pm8:00pm11:00pm
6:00am11:00am12:00pm7:00pm9:00pm12:00am next day
7:00am12:00pm1:00pm8:00pm10:00pm1:00am next day
8:00am1:00pm2:00pm9:00pm11:00pm2:00am next day
9:00am2:00pm3:00pm10:00pm12:00am next day3:00am next day
10:00am3:00pm4:00pm11:00pm1:00am next day4:00am next day
11:00am4:00pm5:00pm12:00am next day2:00am next day5:00am next day
12:00pm5:00pm6:00pm1:00am next day3:00am next day6:00am next day
1:00pm6:00pm7:00pm2:00am next day4:00am next day7:00am next day
2:00pm7:00pm8:00pm3:00am next day5:00am next day8:00am next day
3:00pm8:00pm9:00pm4:00am next day6:00am next day9:00am next day
4:00pm9:00pm10:00pm5:00am next day7:00am next day10:00am next day
5:00pm10:00pm11:00pm6:00am next day8:00am next day11:00am next day
6:00pm11:00pm12:00am next day7:00am next day9:00am next day12:00pm next day
7:00pm12:00am next day1:00am next day8:00am next day10:00am next day1:00pm next day
8:00pm1:00am next day2:00am next day9:00am next day11:00am next day2:00pm next day
9:00pm2:00am next day3:00am next day10:00am next day12:00pm next day3:00pm next day
10:00pm3:00am next day4:00am next day11:00am next day1:00pm next day4:00pm next day
11:00pm4:00am next day5:00am next day12:00pm next day2:00pm next day5:00pm next day
12:00am next day5:00am next day6:00am next day1:00pm next day3:00pm next day6:00pm next day
1:00am next day6:00am next day7:00am next day2:00pm next day4:00pm next day7:00pm next day
2:00am next day7:00am next day8:00am next day3:00pm next day5:00pm next day8:00pm next day
03:0008:0009:0016:0018:0021:00
04:0009:0010:0017:0019:0022:00
05:0010:0011:0018:0020:0023:00
06:0011:0012:0019:0021:0000:00 next day
07:0012:0013:0020:0022:0001:00 next day
08:0013:0014:0021:0023:0002:00 next day
09:0014:0015:0022:0000:00 next day03:00 next day
10:0015:0016:0023:0001:00 next day04:00 next day
11:0016:0017:0000:00 next day02:00 next day05:00 next day
12:0017:0018:0001:00 next day03:00 next day06:00 next day
13:0018:0019:0002:00 next day04:00 next day07:00 next day
14:0019:0020:0003:00 next day05:00 next day08:00 next day
15:0020:0021:0004:00 next day06:00 next day09:00 next day
16:0021:0022:0005:00 next day07:00 next day10:00 next day
17:0022:0023:0006:00 next day08:00 next day11:00 next day
18:0023:0000:00 next day07:00 next day09:00 next day12:00 next day
19:0000:00 next day01:00 next day08:00 next day10:00 next day13:00 next day
20:0001:00 next day02:00 next day09:00 next day11:00 next day14:00 next day
21:0002:00 next day03:00 next day10:00 next day12:00 next day15:00 next day
22:0003:00 next day04:00 next day11:00 next day13:00 next day16:00 next day
23:0004:00 next day05:00 next day12:00 next day14:00 next day17:00 next day
00:00 next day05:00 next day06:00 next day13:00 next day15:00 next day18:00 next day
01:00 next day06:00 next day07:00 next day14:00 next day16:00 next day19:00 next day
02:00 next day07:00 next day08:00 next day15:00 next day17:00 next day20:00 next day

Pacific Standard Time

Offset: PST is 8 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Mexico, United States

Principal Cities: The largest city in the PST time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.

French: HNP - Heure Normale du Pacifique

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

Map of the areas on Pacific Standard Time (PST)
PST part of the year

Today all shaded areas are on PST.

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Pacific Daylight Time (PDT).

123456789101112Start: Pacific Standard Time (PST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Pacific Standard Time (PST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

See USA daylight saving time and upcoming clock changes worldwide.

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 an offset of eight hours 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
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

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT).

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 EST 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 Standard Time (EST)
EST all year EST part of the year

Today all shaded areas are on EST.

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).

123456789101112Start: Eastern Standard Time (EST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Eastern Standard Time (EST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

See USA daylight saving time and upcoming clock changes worldwide.

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 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 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

Greenwich Mean Time

Offset: GMT is the same as Greenwich Mean Time (GMT).

Countries using this time zone: Antarctica, Burkina Faso, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Togo, United Kingdom, Western Sahara

Principal Cities: The largest city in the GMT time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.

Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.

Map of the areas on Greenwich Mean Time (GMT)
GMT all year GMT part of the year

Today all shaded areas are on GMT.

Open the world time zone map© OpenStreetMap

GMT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for GMT
  • Z - short form of 'Zulu'
IANA/Olson: Reflects GMT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Abidjan
  • Africa/Accra
  • Africa/Bamako
  • Africa/Banjul
  • Africa/Bissau
  • Africa/Conakry
  • Africa/Dakar
  • Africa/Freetown
  • Africa/Lome
  • Africa/Monrovia
  • Africa/Nouakchott
  • Africa/Ouagadougou
  • Africa/Sao_Tome
  • Africa/Timbuktu
  • America/Danmarkshavn
  • Atlantic/Reykjavik
  • Atlantic/St_Helena
  • Eire
  • Etc/GMT
  • Etc/GMT+0
  • Etc/GMT-0
  • Etc/GMT0
  • Etc/Greenwich
  • Europe/Belfast
  • Europe/Dublin
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
  • GMT
  • GMT+0
  • GMT-0
  • GMT0
  • Greenwich
  • Iceland
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Coordinated Universal Time
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

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

Today all shaded areas are on CET.

Open the world time zone map© OpenStreetMap

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).

123456789101112Start: Central European Time (CET) started on Sunday, October 25, 2026 at 3:00 am03:00 local time and clocks were set one hour back to Sunday, October 25, 2026, 2:00 am02:00. Standard time starts annually on the last Sunday of October.

123456789101112End: Central European Time (CET) ends on Sunday, March 28, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 28, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the last Sunday of March.

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

Hong Kong Time

Offset: HKT is 8 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Hong Kong

Principal Cities: The largest city in the HKT time zone is Hong Kong in Hong Kong, with about 7.396 million people.

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

Map of the areas on Hong Kong Time (HKT)
HKT all year

Open the world time zone map© OpenStreetMap

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 an offset of eight hours 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

Australian Eastern Standard Time

Offset: AEST is 10 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Australia

Principal Cities: The largest city in the AEST time zone is Sydney in Australia, with about 5.639 million people. Other major cities in this time zone include Melbourne, Brisbane, Gold Coast, Newcastle.

Map of the areas on Australian Eastern Standard Time (AEST)
AEST all year AEST part of the year

Today the lighter areas are on UTC+11 (AEDT).

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Australian Eastern Daylight Time (AEDT).

123456789101112End: Australian Eastern Standard Time (AEST) ended on Sunday, October 4, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, October 4, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the first Sunday of October.

123456789101112Start: Australian Eastern Standard Time (AEST) starts on Sunday, April 4, 2027 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, April 4, 2027, 2:00 am02:00. Standard time starts annually on the first Sunday of April.

See Australia daylight saving time and upcoming clock changes worldwide.

Australian Eastern Standard Time (AEST) is used in Queensland, Victoria, Tasmania, New South Wales (except Broken Hill), Australian Capital Territory and in folling major cities Brisbane, Sydney, Melbourne, Hobart, Canberra

Only part of Australia observe daylight saving. It is used in New South Wales, Victoria, South Australia, Tasmania, and the Australian Capital Territory. Daylight saving is not observed in Queensland, Western Australia or the Northern Territory.

AEST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +10 - basic short
  • +1000 - basic
  • +10:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1000 - sign character (+) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Kilo - Military abbreviation for AEST
  • K - short form of 'Kilo'
IANA/Olson: Reflects AEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Antarctica/Macquarie
  • Australia/ACT
  • Australia/Brisbane
  • Australia/Canberra
  • Australia/Currie
  • Australia/Hobart
  • Australia/Lindeman
  • Australia/Melbourne
  • Australia/NSW
  • Australia/Queensland
  • Australia/Sydney
  • Australia/Tasmania
  • Australia/Victoria
Time zones with the GMT +10 offset:
  • AEST - Australian Eastern Standard Time
  • CHUT - Chuuk Time
  • ChST - Chamorro Standard Time
  • K - Kilo Time Zone
  • KDT - Korea Daylight Time
  • PGT - Papua New Guinea Time
  • VLAT - Vladivostok Time
  • YAKST - Yakutsk Summer Time
  • YAPT - Yap Time

New Zealand Daylight Time

Offset: NZDT is 13 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Antarctica, New Zealand

Principal Cities: The largest city in the NZDT time zone is Auckland in New Zealand, with about 1.547 million people. Other major cities in this time zone include Christchurch, Wellington, Hamilton, Tauranga.

Map of the areas on New Zealand Daylight Time (NZDT)
NZDT part of the year

Today all shaded areas are on NZDT.

Open the world time zone map© OpenStreetMap

Daylight Saving: New Zealand Daylight Time (NZDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe New Zealand Standard Time (NZST).

123456789101112Start: New Zealand Daylight Time (NZDT) started on Sunday, September 27, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, September 27, 2026, 3:00 am03:00. Daylight saving starts annually on the last Sunday of September.

123456789101112End: New Zealand Daylight Time (NZDT) ends on Sunday, April 4, 2027 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, April 4, 2027, 2:00 am02:00 local standard time instead. Daylight saving ends annually on the first Sunday of April.

See New Zealand daylight saving time and upcoming clock changes worldwide.

NZDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +13 - basic short
  • +1300 - basic
  • +13:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1300 - sign character (+) followed by a four digit time providing hours (13) and minutes (00) of the offset. Indicates an offset of thirteen hours to the east of the zero meridian.
IANA/Olson: Reflects NZDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Antarctica/McMurdo
  • Antarctica/South_Pole
  • NZ
  • Pacific/Auckland
Time zones with the GMT +13 offset:
  • FJST - Fiji Summer Time
  • NZDT - New Zealand Daylight Time
  • PHOT - Phoenix Island Time
  • TKT - Tokelau Time
  • TOT - Tonga Time
  • WST - West Samoa Time
  • WSST - West Samoa Standard Time