Updating current time…
PT/PDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
A
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

5:00 am05:00 PDT (UTC-7), Oct 13, 2026 = 1:00 pm13:00 A (UTC+1), Oct 13, 2026

PDT is 8 hours behind A.

How the time difference changes

For most of the year, PT is 8 hours behind A. From Nov 1, 2026 to Mar 14, 2027, PT is 9 hours behind A.

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

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

Time Difference

Pacific Daylight Time is 8 hours behind Alpha Time Zone.
5:00 am05:00 in PDT is 1:00 pm13:00 in A

PDT to A call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in PDT which corresponds to 4:30pm-5:30pm16:30-17:30 in A. Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.

5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
1:00 pm13:00 Alpha Time Zone (A). Offset UTC +1:00 hour

5:00 am05:00 PDT / 1:00 pm13:00 A

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
PTA
8:00am
9:00am
10:00am
11:00am
12:00pm
1:00pm
2:00pm
3:00pm
4:00pm
5:00pm
6:00pm
7:00pm
8:00pm
9:00pm
10:00pm
11:00pm
12:00am next day
1:00am next day
2:00am next day
3:00am next day
4:00am next day
5:00am next day
6:00am next day
7:00am next day
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
00:00 next day
01:00 next day
02:00 next day
03:00 next day
04:00 next day
05:00 next day
06:00 next day
07:00 next day

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 the United States and Canada. 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 part of Canada, the United States and the Northwestern part of Mexico.

Countries using this time zone: Canada, 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

Alpha Time Zone

Offset: A is 1 hour ahead of Greenwich Mean Time (GMT).

Daylight Saving: Some places on Alpha Time Zone (A) keep the same time all year, while others use A for only part of the year and change their clocks for daylight saving time; see upcoming clock changes worldwide.

Map of the areas on Alpha Time Zone (A)
A all year A part of the year

Today some of the lighter areas are on UTC+2 (CEST).

A 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 A
  • A - short form of 'Alpha'
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