Tonstad, Norway to AST
Time Difference
CEST (Central European Summer Time) is 5 hours ahead of Atlantic Daylight Time
4:00 am04:00 in Tonstad, Norway is 11:00 pm23:00 in ADT
Tonstad to AST call time
Best time for a conference call or a meeting is between 2pm-6pm in Tonstad which corresponds to 8am-12pm in AST
4:00 am04:00 CEST (Central European Summer Time) (Tonstad, Norway). Offset UTC +2:00 hours
11:00 pm23:00 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours
4:00 am04:00 Tonstad, Norway / 11:00 pm23:00 ADT
Tonstad, Norway | ADT |
---|---|
12am (midnight) | 7pm |
1am | 8pm |
2am | 9pm |
3am | 10pm |
4am | 11pm |
5am | 12am (midnight) |
6am | 1am |
7am | 2am |
8am | 3am |
9am | 4am |
10am | 5am |
11am | 6am |
12pm (noon) | 7am |
1pm | 8am |
2pm | 9am |
3pm | 10am |
4pm | 11am |
5pm | 12pm (noon) |
6pm | 1pm |
7pm | 2pm |
8pm | 3pm |
9pm | 4pm |
10pm | 5pm |
11pm | 6pm |
0:00 | 19:00 |
1:00 | 20:00 |
2:00 | 21:00 |
3:00 | 22:00 |
4:00 | 23:00 |
5:00 | 0:00 |
6:00 | 1:00 |
7:00 | 2:00 |
8:00 | 3:00 |
9:00 | 4:00 |
10:00 | 5:00 |
11:00 | 6:00 |
12:00 | 7:00 |
13:00 | 8:00 |
14:00 | 9:00 |
15:00 | 10:00 |
16:00 | 11:00 |
17:00 | 12:00 |
18:00 | 13:00 |
19:00 | 14:00 |
20:00 | 15:00 |
21:00 | 16:00 |
22:00 | 17:00 |
23:00 | 18:00 |
Tonstad Information
Time Zone
CET - Central European Time
+1:00 hour during Central European Time.
Tonstad Facts
Atlantic Standard Time
Offset: AST is 4 hours behind Greenwich Mean Time (GMT) and is used in North America
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.
French: HNA - Heure Normale de l'Atlantique
Spanish: AST - Tiempo Estándar del Atlántico

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'
- America/Anguilla
- America/Antigua
- America/Aruba
- America/Barbados
- America/Blanc-Sablon
- America/Curacao
- America/Dominica
- America/Glace_Bay
- America/Goose_Bay
- America/Grenada
- America/Guadeloupe
- America/Halifax
- America/Kralendijk
- America/Lower_Princes
- America/Marigot
- America/Martinique
- America/Moncton
- America/Montserrat
- America/Port_of_Spain
- America/Puerto_Rico
- America/Santo_Domingo
- America/St_Barthelemy
- America/St_Kitts
- America/St_Lucia
- America/St_Thomas
- America/St_Vincent
- America/Thule
- America/Tortola
- America/Virgin
- Atlantic/Bermuda
- Canada/Atlantic
- 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 -