PDT
Pacific Daylight Time
GMT -7
GT
Guyana Time
GMT -3

Time Difference

Pacific Daylight Time is 3 hours and 15 minutes behind Guyana Time
9:00 pm21:00 in PDT is 12:15 am00:15 in GT

PDT to GT call time
Best time for a conference call or a meeting is between 8am-2:45pm in PDT which corresponds to 11:15am-6pm in GT

9:00 pm21:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
12:15 am00:15 Guyana Time (GT). Offset UTC -3:45 hours

9:00 pm21:00 PDT / 12:15 am00:15 GT

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

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 timezone, however during winter some places switch clocks for one hour back and observe Pacific Standard Time (PST).

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Pacific Daylight Time (PDT) started on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March

Daylight saving time clock moves back for one hour from 2am to 1amEnd: Pacific Daylight Time (PDT) ends on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November

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

Guyana Time

Offset: GT is 3 hours and 45 minutes behind Greenwich Mean Time (GMT) and is used in America

GT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -0345 - basic
  • -03:45 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0345 - sign character (-) followed by a four digit time providing hours (03) and minutes (45) of the offset. Indicates three hour and forty-five minutes time differences to the west of the zero meridian.
GT Abbreviation: Several time zones share GT abbreviation and it could refer to these time zones
  • Galapagos Time - UTC -6
  • Guyana Time - UTC -3