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PDT
Pacific Daylight Time
GMT -7
12am
3am
6am
9am
12pm
3pm
6pm
9pm
GST
Gulf Standard Time
GMT +4
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

5:00 am05:00 PDT (UTC-7), Oct 6, 2026 = 4:00 pm16:00 GST (UTC+4), Oct 6, 2026

PDT is 11 hours behind GST.

PDT and GST examples

These examples always use PDT (UTC-7) and GST (UTC+4). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

PDT is 11 hours behind GST.

How the time difference changes

For most of the year, PDT is 11 hours behind GST. At other times of the year, PST is 12 hours behind GST.

For most of the year, working hours of 9:00 am to 5:00 pm in PDT correspond to 8:00 pm to 4:00 am (next day) in GST. At other times of the year, working hours of 9:00 am to 5:00 pm in PST correspond to 9:00 pm to 5:00 am (next day) in GST.For most of the year, working hours of 09:00 to 17:00 in PDT correspond to 20:00 to 04:00 (next day) in GST. At other times of the year, working hours of 09:00 to 17:00 in PST correspond to 21:00 to 05:00 (next day) in GST.

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

Time Difference

Pacific Daylight Time is 11 hours behind Gulf Standard Time.
5:00 am05:00 in PDT is 4:00 pm16:00 in GST

PDT to GST call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in PDT which corresponds to 6pm-7pm18:00-19:00 in GST

5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
4:00 pm16:00 Gulf Standard Time (GST). Offset UTC +4:00 hours

5:00 am05:00 PDT / 4:00 pm16:00 GST

PDTGST
12:00am11:00am
1:00am12:00pm
2:00am1:00pm
3:00am2:00pm
4:00am3:00pm
5:00am4:00pm
6:00am5:00pm
7:00am6:00pm
8:00am7:00pm
9:00am8:00pm
10:00am9:00pm
11:00am10:00pm
12:00pm11:00pm
1:00pm12:00am
2:00pm1:00am
3:00pm2:00am
4:00pm3:00am
5:00pm4:00am
6:00pm5:00am
7:00pm6:00am
8:00pm7:00am
9:00pm8:00am
10:00pm9:00am
11:00pm10:00am
00:0011:00
01:0012:00
02:0013:00
03:0014:00
04:0015:00
05:0016:00
06:0017:00
07:0018:00
08:0019:00
09:0020:00
10:0021:00
11:0022:00
12:0023:00
13:0000:00
14:0001:00
15:0002:00
16:0003:00
17:0004:00
18:0005:00
19:0006:00
20:0007:00
21:0008:00
22:0009:00
23:0010:00

Pacific Daylight Time

Offset: PDT is 7 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the PDT 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: 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. During winter, some places set clocks back one hour and observe Pacific Standard Time (PST).

Daylight saving time clock moves forward for one hourStart: Pacific Daylight Time (PDT) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

Daylight saving time clock moves back for one hourEnd: Pacific Daylight Time (PDT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See upcoming clock changes worldwide.

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 an offset of seven hours 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

Gulf Standard Time

Offset: GST is 4 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries using this time zone: United Arab Emirates

Principal Cities: The largest city in the GST time zone is Dubai in United Arab Emirates, with about 3.79 million people. Other major cities in this time zone include Abu Dhabi, Sharjah, Al Ain, Ajman.

Daylight Saving: Clocks in Gulf Standard Time (GST) do not change for daylight saving time, so GST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

GST Time Zone Geo Map
GST timezone map

GST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +04 - basic short
  • +0400 - basic
  • +04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0400 - sign character (+) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Delta - Military abbreviation for GST
  • D - short form of 'Delta'
Time zones with the GMT +4 offset:
  • KUYT - Kuybyshev Time
  • MSD - Moscow Daylight Time
  • SAMT - Samara Time
  • AMT - Armenia Time
  • AZT - Azerbaijan Time
  • D - Delta Time Zone
  • GET - Georgia Standard Time
  • GST - Gulf Standard Time
  • MUT - Mauritius Time
  • RET - Reunion Time
  • SCT - Seychelles Time