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Use this HAT Time Converter page to check current local time, UTC and GMT offset, daylight saving details, related time zones, and popular time converter links.

Heure Avancée de Terre-Neuve

Offset: HAT is 2 hours and 30 minutes behind Greenwich Mean Time (GMT).

Countries using this time zone: Canada

Principal Cities: The largest city in the HAT time zone is St. John's in Canada, with about 110,525 people. Other major cities in this time zone include Corner Brook, Grand Falls-Windsor, Gander, Clarenville.

Map of the areas on Heure Avancée de Terre-Neuve (HAT)
HAT part of the year

Today all shaded areas are on HAT.

Daylight Saving: Heure Avancée de Terre-Neuve (HAT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Newfoundland Standard Time (NST).

123456789101112Start: Heure Avancée de Terre-Neuve (HAT) 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: Heure Avancée de Terre-Neuve (HAT) 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 Canada daylight saving time and upcoming clock changes worldwide.

HAT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -0230 - basic
  • -02:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0230 - sign character (-) followed by a four digit time providing hours (02) and minutes (30) of the offset. Indicates an offset of two hours and thirty minutes to the west of the zero meridian.