PDT/PST
Pacific Daylight Time
GMT -7
PST automatically adjusted to PDT time zone, that is in use
CHAST
Chatham Island Standard Time
GMT +12:45

Time Difference

Pacific Daylight Time is 19 hours and 45 minutes behind Chatham Island Standard Time
5:30 am05:30 in PDT is 1:15 am01:15 in CHAST

PST to CHAST call time
Best time for a conference call or a meeting is between 2:30am-4:30am in PST which corresponds to 11:15pm-1:15pm in CHAST

5:30 am05:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
1:15 am01:15 Chatham Island Standard Time (CHAST). Offset UTC +12:45 hours

5:30 am05:30 PDT / 1:15 am01:15 CHAST

PDT CHAST
12am (midnight) 7:45 pm
1am 8:45 pm
2am 9:45 pm
3am 10:45 pm
4am 11:45 pm
5am 12:45 am
6am 1:45 am
7am 2:45 am
8am 3:45 am
9am 4:45 am
10am 5:45 am
11am 6:45 am
12pm (noon) 7:45 am
1pm 8:45 am
2pm 9:45 am
3pm 10:45 am
4pm 11:45 am
5pm 12:45 pm
6pm 1:45 pm
7pm 2:45 pm
8pm 3:45 pm
9pm 4:45 pm
10pm 5:45 pm
11pm 6:45 pm
0:00 19:45
1:00 20:45
2:00 21:45
3:00 22:45
4:00 23:45
5:00 0:45
6:00 1:45
7:00 2:45
8:00 3:45
9:00 4:45
10:00 5:45
11:00 6:45
12:00 7:45
13:00 8:45
14:00 9:45
15:00 10:45
16:00 11:45
17:00 12:45
18:00 13:45
19:00 14:45
20:00 15:45
21:00 16:45
22:00 17:45
23:00 18:45

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 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 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 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 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
  • Paraguay Summer Time - UTC -3
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

Chatham Island Standard Time

Offset: CHAST is 12 hours and 45 minutes ahead Greenwich Mean Time (GMT) and is used in Pacific

CHAST Time Zone Geo Map
CHAST timezone map

CHAST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1245 - basic
  • +12:45 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1245 - sign character (+) followed by a four digit time providing hours (12) and minutes (45) of the offset. Indicates twelve hour and forty-five minutes time differences to the east of the zero meridian.