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PDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
LHDT/LHST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Lord Howe Island is on daylight saving time: LHDT (UTC+11) until Sun, Apr 4, 2027.

Quick answers

Selected conversion

5:00 am05:00 PDT (UTC-7), Oct 14, 2026 = 11:00 pm23:00 LHDT (UTC+11), Oct 14, 2026

PDT is 18 hours behind LHDT.

PDT and LHST examples

These examples always use PDT (UTC-7) and LHST (UTC+10:30). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

PDT is 17 hours and 30 minutes behind LHST.

How the time difference changes

Depending on seasonal clock changes, PDT is 17 hours and 30 minutes behind LHST, PDT is 18 hours behind LHDT, or PST is 19 hours behind LHDT.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in PDT correspond to 2:30 am (next day) to 10:30 am (next day) in LHST, working hours of 9:00 am to 5:00 pm in PDT correspond to 3:00 am (next day) to 11:00 am (next day) in LHDT, or working hours of 9:00 am to 5:00 pm in PST correspond to 4:00 am (next day) to 12:00 pm (next day) in LHDT.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in PDT correspond to 02:30 (next day) to 10:30 (next day) in LHST, working hours of 09:00 to 17:00 in PDT correspond to 03:00 (next day) to 11:00 (next day) in LHDT, or working hours of 09:00 to 17:00 in PST correspond to 04:00 (next day) to 12:00 (next day) in LHDT.

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

Time Difference

Pacific Daylight Time is 18 hours behind Lord Howe Daylight Time.
5:00 am05:00 in PDT is 11:00 pm23:00 in LHDT

PDT to LHDT call time
Best time for a conference call or a meeting is between 3pm-5pm15:00-17:00 in PDT which corresponds to 9am-11am09:00-11:00 in LHDT (next day)

5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
11:00 pm23:00 Lord Howe Daylight Time (LHDT). Offset UTC +11:00 hours

5:00 am05:00 PDT / 11:00 pm23:00 LHDT

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
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Pacific Daylight Time

Offset: PDT is 7 hours behind Greenwich Mean Time (GMT).

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

Map of the areas on Pacific Daylight Time (PDT)
PDT part of the year

Today all shaded areas are on PDT.

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).

123456789101112Start: 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.

123456789101112End: 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

Lord Howe Standard Time

Offset: LHST is 10 hours and 30 minutes ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Australia

Map of the areas on Lord Howe Standard Time (LHST)
LHST part of the year

Today the shaded areas are on UTC+11.

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward 30 minutes for daylight saving time and observe Lord Howe Daylight Time (LHDT).

123456789101112End: Lord Howe Standard Time (LHST) ended on Sunday, October 4, 2026 at 2:00 am02:00 local time and clocks were set 30 minutes forward to Sunday, October 4, 2026, 2:30 am02:30 local daylight time instead. Standard time ends annually on the first Sunday of October.

123456789101112Start: Lord Howe Standard Time (LHST) starts on Sunday, April 4, 2027 at 2:00 am02:00 local time and clocks are set 30 minutes back to Sunday, April 4, 2027, 1:30 am01:30. Standard time starts annually on the first Sunday of April.

See upcoming clock changes worldwide.

LHST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1030 - basic
  • +10:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1030 - sign character (+) followed by a four digit time providing hours (10) and minutes (30) of the offset. Indicates an offset of ten hours and thirty minutes to the east of the zero meridian.
Time zones with the GMT +10:30 offset:
  • ACDT - Australian Central Daylight Time
  • LHST - Lord Howe Standard Time