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HNA
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PMDT/PMST
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PMST is not used on this date.

This converter uses PMDT (UTC−2), as in Miquelon.

Quick answers

Selected conversion

8:00 am08:00 HNA (UTC-4), Oct 23, 2026 = 10:00 am10:00 PMDT (UTC-2), Oct 23, 2026

HNA is 2 hours behind PMDT.

HNA and PMST examples

These examples always use HNA (UTC-4) and PMST (UTC-3). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

HNA is 1 hour behind PMST.

How the time difference changes

For most of the year, HNA Caribbean is 2 hours behind PMDT. From Nov 1, 2026 to Mar 14, 2027, HNA Caribbean is 1 hour behind PMST.

For most of the year, working hours of 9:00 am to 6:00 pm in HNA Caribbean correspond to 11:00 am to 8:00 pm in PMDT. At other times of the year, working hours of 9:00 am to 6:00 pm in HNA Caribbean correspond to 10:00 am to 7:00 pm in PMST.For most of the year, working hours of 09:00 to 18:00 in HNA Caribbean correspond to 11:00 to 20:00 in PMDT. At other times of the year, working hours of 09:00 to 18:00 in HNA Caribbean correspond to 10:00 to 19:00 in PMST.

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

Time Difference

Heure Normale de l'Atlantique is 2 hours behind Pierre & Miquelon Daylight Time.
8:00 am08:00 in HNA is 10:00 am10:00 in PMDT

HNA to PMDT call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in HNA which corresponds to 11am-6pm11:00-18:00 in PMDT

8:00 am08:00 Heure Normale de l'Atlantique (HNA). Offset UTC -4:00 hours
10:00 am10:00 Pierre & Miquelon Daylight Time (PMDT). Offset UTC -2:00 hours

8:00 am08:00 HNA / 10:00 am10:00 PMDT

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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Heure Normale de l'Atlantique

Offset: HNA is 4 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Anguilla, Antigua and Barbuda, Aruba, Barbados, Bermuda, British Virgin Islands, Canada, Caribbean Netherlands, Curaçao, Dominica, Dominican Republic, Greenland, Grenada, Guadeloupe, Martinique, Montserrat, Puerto Rico, Saint Barthélemy, Saint Kitts and Nevis, Saint Lucia, Saint Martin, Saint Vincent and the Grenadines, Sint Maarten, Trinidad and Tobago, US Virgin Islands

Principal Cities: The largest city in the HNA time zone is Santo Domingo in the Dominican Republic, with about 2.202 million people. Other major cities in this time zone include Santiago de los Caballeros, Halifax, San Juan, San Pedro de Macorís.

Daylight Saving: Some places on Heure Normale de l'Atlantique (HNA) keep the same time all year, while others use HNA for only part of the year and change their clocks for daylight saving time; see upcoming clock changes worldwide.

Map of the areas on Heure Normale de l'Atlantique (HNA)
HNA all year HNA part of the year

Today the lighter areas are on UTC−3 (ADT).

HNA 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 west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Quebec - Military abbreviation for HNA
  • Q - short form of 'Quebec'
Time zones with the GMT -4 offset:
  • AST - Atlantic Standard Time
  • EDT - Eastern Daylight Time
  • AMT - Amazon Time
  • BOT - Bolivia Time
  • CDT - Cuba Daylight Time
  • CLT - Chile Standard Time
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time

Pierre & Miquelon Standard Time

Offset: PMST is 3 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Saint Pierre and Miquelon

Principal Cities: The largest city in the PMST time zone is Saint-Pierre in Saint Pierre and Miquelon, with about 6,200 people. Other major cities in this time zone include Miquelon.

Map of the areas on Pierre & Miquelon Standard Time (PMST)
PMST part of the year

Today the shaded areas are on UTC−2.

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Pierre & Miquelon Daylight Time (PMDT).

123456789101112End: Pierre & Miquelon Standard Time (PMST) ended 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 local daylight time instead. Standard time ends annually on the second Sunday of March.

123456789101112Start: Pierre & Miquelon Standard Time (PMST) starts 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. Standard time starts annually on the first Sunday of November.

See Saint Pierre and Miquelon daylight saving time and upcoming clock changes worldwide.

PMST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -03 - basic short
  • -0300 - basic
  • -03:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Papa - Military abbreviation for PMST
  • P - short form of 'Papa'
Time zones with the GMT -3 offset:
  • ADT - Atlantic Daylight Time
  • PMT - Pierre & Miquelon Standard Time
  • PMST - Pierre & Miquelon Standard Time
  • AMST - Amazon Summer Time
  • ART - Argentina Time
  • BRT - Brasilia Time
  • CLST - Chile Summer Time
  • FKST - Falkland Islands Summer Time
  • FKT - Falkland Islands Time
  • GFT - French Guiana Time
  • P - Papa Time Zone
  • PYST - Paraguay Summer Time
  • PYT - Paraguay Time
  • SRT - Suriname Time
  • UYT - Uruguay Time