PST/PDT
Pacific Standard Time
GMT -8
PDT automatically adjusted to PST time zone, that is in use
CHAST
Chatham Island Standard Time
GMT +12:45

Time Difference

Pacific Standard Time is 20 hours and 45 minutes behind Chatham Island Standard Time
10:00 pm22:00 in PST is 6:45 pm18:45 in CHAST

PDT to CHAST call time
Best time for a conference call or a meeting is between 3am-5am in PDT which corresponds to 10:45pm-12:45pm in CHAST

10:00 pm22:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
6:45 pm18:45 Chatham Island Standard Time (CHAST). Offset UTC +12:45 hours

10:00 pm22:00 PST / 6:45 pm18:45 CHAST

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

Pacific Daylight Time

Offset: PDT is 7 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 PDT 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: HAP - Heure Avancée du Pacifique

Spanish: PT - Zona Noroeste

PDT Time Zone Geo Map
PDT timezone map

Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Pacific Standard Time (PST).

Daylight saving time clock moves back for one hour from 2am to 1amEnd: Pacific Daylight Time (PDT) has ended on Sunday, November 5, 2023 at 2:00 am local time and clocks were set one hour back to Sunday, November 5, 2023, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Pacific Daylight Time (PDT) starts on Sunday, March 10, 2024 at 2:00 am local time and clocks are set one hour forward to Sunday, March 10, 2024, 3:00 am. Daylight saving starts annually the on second Sunday of March

PDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -07 - basic short
  • -0700 - basic
  • -07:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates seven 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
  • Tango - Military abbreviation for PDT
  • T - short form of 'Tango'
IANA/Olson: Reflects PDT 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
Time zones with the GMT -7 offset:
  • MST - Mountain Standard Time
  • PDT - Pacific Daylight Time
  • YST - Yukon Standard Time
  • T - Tango 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.