Atlantic Daylight Time is 0 hours and 30 minutes behind of Newfoundland Daylight Time
10:00 am10:00 in ADT is 10:30 am10:30 in NDT
AST to NST call time
Best time for a conference call or a meeting is between 8am-5:30pm in AST which corresponds to 8:30am-6pm in NST
10:00 am10:00 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours
10:30 am10:30 Newfoundland Daylight Time (NDT). Offset UTC -2:30 hours
10:00 am10:00 ADT / 10:30 am10:30 NDT
|12am (midnight)||12:30 am|
|12pm (noon)||12:30 pm|
Atlantic Standard Time
Offset: AST is 4 hours behind Greenwich Mean Time (GMT) and is used in Caribbean
Countries: It is used in following countries: Antigua & Barbuda, Anguilla, Aruba, Barbados, St Barthelemy, Bermuda, Caribbean NL, Canada, Curaçao, Dominica, Dominican Republic, Grenada, Greenland, Guadeloupe, St Kitts & Nevis, St Lucia, St Martin (French), Martinique, Montserrat, Puerto Rico, St Maarten (Dutch), Trinidad & Tobago, St Vincent, Virgin Islands (UK), Virgin Islands (US)
Principal Cities: The largest city in the AST timezone is Santo Domingo from Dominican Republic with population about 2.202 million people. Other major cities in the area are Santiago de los Caballeros, Santo Domingo Oeste, San Juan, Halifax
Daylight Saving: This is a standard timezone, however during summer some places adjust time for one hour forward for daylight saving and observe Atlantic Daylight Time (ADT).
End: AST ended and clocks were set one hour forward on Sunday, 14 March 2021, at 2:00 (2:00 am) local time.
Start: AST starts and clocks are set one hour back on Sunday, 07 November 2021, at 2:00 (2:00 am) local time.
AST representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four hour and zero minutes time differences to the west of the zero meridian.
- Quebec - Military abbreviation for AST
- Q - short form of 'Quebec'
- Atlantic Standard Time - UTC -4
- Arabia Standard Time - UTC +3
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- FKT - Falkland Island Time
- GYT - Guyana Time
- PYT - Paraguay Time
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time
- -04 -
Newfoundland Standard Time
Offset: NST is 3 hours and 30 minutes behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada
Principal Cities: The largest city in the NST timezone is St Johns from Canada with population about 99,182 people. Other major cities in the area are Mount Pearl, Corner Brook, Conception Bay South
Daylight Saving: This is a standard timezone, however during summer some places adjust time for one hour forward for daylight saving and observe Newfoundland Daylight Time (NDT).
End: NST ended and clocks were set one hour forward on Sunday, 14 March 2021, at 2:00 (2:00 am) local time.
Start: NST starts and clocks are set one hour back on Sunday, 07 November 2021, at 2:00 (2:00 am) local time.
French: HNT - Heure Normale de Terre-Neuve
NST representations, usage and related time zones
- -0330 - basic
- -03:30 - extended
- -0330 - sign character (-) followed by a four digit time providing hours (03) and minutes (30) of the offset. Indicates three hour and thirty minutes time differences to the west of the zero meridian.