AEDT (Australian Eastern Daylight Time)
GMT +11
UTC
Universal Time Coordinated
GMT +0
PST (Pacific Standard Time)
GMT -8

Time Difference

AEDT (Australian Eastern Daylight Time) is 11 hours ahead of Universal Time Coordinated and 19 hours ahead of PST (Pacific Standard Time)
So 1:30 pm13:30 in Melbourne, Australia is 2:30 am02:30 in UTC and is 6:30 pm18:30 in San Francisco, California, USA

1:30 pm13:30 AEDT (Australian Eastern Daylight Time) (Melbourne, Australia). Offset UTC +11:00 hours
2:30 am02:30 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
6:30 pm18:30 PST (Pacific Standard Time) (San Francisco, California, USA). Offset UTC -8:00 hours

1:30 pm13:30 Melbourne, Australia / 2:30 am02:30 UTC / 6:30 pm18:30 San Francisco, California, USA

Melbourne, Australia UTC San Francisco, California, USA
12am (midnight) 1pm 5am
1am 2pm 6am
2am 3pm 7am
3am 4pm 8am
4am 5pm 9am
5am 6pm 10am
6am 7pm 11am
7am 8pm 12pm (noon)
8am 9pm 1pm
9am 10pm 2pm
10am 11pm 3pm
11am 12am (midnight) 4pm
12pm (noon) 1am 5pm
1pm 2am 6pm
2pm 3am 7pm
3pm 4am 8pm
4pm 5am 9pm
5pm 6am 10pm
6pm 7am 11pm
7pm 8am 12am (midnight)
8pm 9am 1am
9pm 10am 2am
10pm 11am 3am
11pm 12pm (noon) 4am
0:00 13:00 5:00
1:00 14:00 6:00
2:00 15:00 7:00
3:00 16:00 8:00
4:00 17:00 9:00
5:00 18:00 10:00
6:00 19:00 11:00
7:00 20:00 12:00
8:00 21:00 13:00
9:00 22:00 14:00
10:00 23:00 15:00
11:00 0:00 16:00
12:00 1:00 17:00
13:00 2:00 18:00
14:00 3:00 19:00
15:00 4:00 20:00
16:00 5:00 21:00
17:00 6:00 22:00
18:00 7:00 23:00
19:00 8:00 0:00
20:00 9:00 1:00
21:00 10:00 2:00
22:00 11:00 3:00
23:00 12:00 4:00

AEDT (Australian Eastern Daylight Time)

Offset: AEDT is 11 hours ahead Greenwich Mean Time (GMT) and is used in Australia

Countries: It is used in following countries: Australia

Principal Cities: The largest city in the AEDT timezone is Sydney from Australia with population about 4.627 million people. Other major cities in the area are Melbourne, Canberra, Newcastle, Wollongong

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

Start: Australian Eastern Daylight Time (AEDT) starts annually on the same date and time. and clocks were set one hour forward on Sunday, October 7, 2018, at 2:00 (2:00 am) local time.

End: Australian Eastern Daylight Time (AEDT) ends annually on the same date and time. and clocks are set one hour back on Sunday, April 7, 2019, at 3:00 (3:00 am) local time.

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

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +11 - basic short
  • +1100 - basic
  • +11:00 - extended

Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1100 - sign character (+) followed by a four digit time providing hours (11) and minutes (00) of the offset. Indicates eleven 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
  • Lima - Military abbreviation for AEDT
  • L - short form of 'Lima'

IANA/Olson: Reflects AEDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Australia/ACT
  • Australia/Canberra
  • Australia/Currie
  • Australia/Hobart
  • Australia/Melbourne
  • Australia/NSW
  • Australia/Sydney
  • Australia/Tasmania
  • Australia/Victoria

Time zones with the GMT +11 offset:

  • AEDT - Australian Eastern Daylight Time
  • BST - Bougainville Standard Time
  • KOST - Kosrae Time
  • L - Lima Time Zone
  • LHDT - Lord Howe Daylight Time
  • NCT - New Caledonia Time
  • PETT - Kamchatka Time
  • PONT - Pohnpei Standard Time
  • SBT - Solomon IslandsTime
  • VLAST - Vladivostok Summer Time
  • VUT - Vanuatu Time
  • +11 -


Universal Time Coordinated

Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal

Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.

UTC 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 zero hour and zero minutes time differences of the zero meridian.

Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for UTC
  • Z - short form of 'Zulu'

IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Etc/UTC
  • Etc/Universal
  • Etc/Zulu
  • UTC
  • Universal
  • Zulu

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 - Universal Time Coordinated
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone
  • +00 -


PST (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

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

Start: PST starts annually on the same date and time. and clocks were set one hour back on Sunday, November 4, 2018, at 2:00 (2:00 am) local time.

End: PST ends annually on the same date and time. and clocks are set one hour forward on Sunday, March 10, 2019, at 2:00 (2:00 am) local time.

French: HNP - Heure Normale du Pacifique

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

San Francisco, California, USA Time Zone Geo Map
San Francisco, California, USA timezone map
San Francisco, California, USA 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/Dawson
  • America/Ensenada
  • America/Los_Angeles
  • America/Santa_Isabel
  • America/Tijuana
  • America/Vancouver
  • America/Whitehorse
  • Canada/Pacific
  • Canada/Yukon
  • Mexico/BajaNorte
  • PST8PDT
  • US/Pacific
  • US/Pacific-New

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
  • YDT - Yukon Daylight Time
  • PST - Pitcairn Standard Time
  • U - Uniform Time Zone