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PT/PDT
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AWST/AWDT
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AWDT is not used on this date.

This converter uses AWST (UTC+8), as in Perth.

Quick answers

Selected conversion

5:00 am05:00 PDT (UTC-7), Oct 18, 2026 = 8:00 pm20:00 AWST (UTC+8), Oct 18, 2026

PDT is 15 hours behind AWST.

How the time difference changes

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

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

Compare PT time with AWDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Pacific Daylight Time is 15 hours behind Australian Western Standard Time.
5:00 am05:00 in PDT is 8:00 pm20:00 in AWST

PDT to AWST call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm17:30-18:30 in PDT which corresponds to 8:30am-9:30am08:30-09:30 in AWST (next day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
8:00 pm20:00 Australian Western Standard Time (AWST). Offset UTC +8:00 hours

5:00 am05:00 PDT / 8:00 pm20:00 AWST

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Pacific Time

Pacific Time (PT) is a general term used to describe the areas that observe either the Pacific Standard Time (PST) or Pacific Daylight Time (PDT) in North America. PT also called Pacific Coast Time. PT is not static but switches between PDT and PST.

Territories observing the Pacific Time Zone are primarily in North America. It runs through the western United States and the Northwestern part of Mexico. From November 1, 2026, most of British Columbia in Canada keeps UTC-7 all year instead.

Countries using this time zone: Mexico, United States

Principal Cities: The largest city in the PT 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

PT 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 PT
  • U - short form of 'Uniform'
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

Australian Western Daylight Time

Offset: AWDT is 9 hours ahead of Greenwich Mean Time (GMT).

AWDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +09 - basic short
  • +0900 - basic
  • +09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • India - Military abbreviation for AWDT
  • I - short form of 'India'
Time zones with the GMT +9 offset:
  • AWDT - Australian Western Daylight Time
  • CHOST - Choibalsan Summer Time
  • I - India Time Zone
  • IRKST - Irkutsk Summer Time
  • JST - Japan Standard Time
  • KST - Korea Standard Time
  • PWT - Palau Time
  • TLT - East Timor Time
  • ULAST - Ulaanbaatar Summer Time
  • WIT - Eastern Indonesian Time
  • YAKT - Yakutsk Time