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LHDT/LHST
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Lord Howe Island is on daylight saving time: LHDT (UTC+11) until Sun, Apr 4, 2027.
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Quick answers

Selected conversion

11:00 pm23:00 LHDT (UTC+11), Oct 14, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 14, 2026

LHDT is 15 hours ahead of EDT.

How the time difference changes

Depending on seasonal clock changes, LHST is 14 hours and 30 minutes ahead of ET, LHDT is 15 hours ahead of ET, or LHDT is 16 hours ahead of ET.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in LHST correspond to 6:30 pm (previous day) to 2:30 am in ET, working hours of 9:00 am to 5:00 pm in LHDT correspond to 6:00 pm (previous day) to 2:00 am in ET, or working hours of 9:00 am to 5:00 pm in LHDT correspond to 5:00 pm (previous day) to 1:00 am in ET.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in LHST correspond to 18:30 (previous day) to 02:30 in ET, working hours of 09:00 to 17:00 in LHDT correspond to 18:00 (previous day) to 02:00 in ET, or working hours of 09:00 to 17:00 in LHDT correspond to 17:00 (previous day) to 01:00 in ET.

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

Time Difference

Lord Howe Daylight Time is 15 hours ahead of Eastern Daylight Time.
11:00 pm23:00 in LHDT is 8:00 am08:00 in EDT

LHDT to EDT call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in LHDT which corresponds to 5pm-6pm17:00-18:00 in EDT (previous day). Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.

11:00 pm23:00 Lord Howe Daylight Time (LHDT). Offset UTC +11:00 hours
8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours

11:00 pm23:00 LHDT / 8:00 am08:00 EDT

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Hourly time comparison
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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

Eastern Time

Eastern Time (ET) is a general term used to describe the areas that observe either the Eastern Standard Time (EST) or Eastern Daylight Time (EDT) in the United States and Canada. ET is not static but switches between EDT and EST.

ET is also used somewhat as a de facto official time for all of the United States because it encompasses 17 U.S. states in the eastern part of the contiguous United States including the capital city Washington D.C., the most populous city New York and half of the country’s population.

In the United States nationally televised programs, evening newscasts, talent and awards shows, and any other nationally televised event that airs live on American television during prime time and on the weekends are broadcast live in the Eastern Time Zone. Major professional sports leagues MLB, NBA, NFL and NHL also provide their game times in Eastern Time, even if teams are from outside of Eastern Time.

Countries using this time zone: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States.

Principal Cities: The largest city in the ET time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.

French: HNE - Heure Normale de l'Est

Spanish: ET - Tiempo del Este, ET - Zona Sureste

Map of the areas on Eastern Time (ET)
ET all year ET part of the year

Today the lighter areas are on UTC−5 (Central Daylight Time, EST).

ET representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for ET
  • R - short form of 'Romeo'
ET Abbreviation: Several time zones share ET abbreviation and it could refer to these time zones
  • Eastern Time - UTC -5
  • Tiempo del Este - UTC -5
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone