Rio Rico, AZ, USA to AST Caribbean

Time Difference

MST (Mountain Standard Time) is 3 hours behind Atlantic Standard Time
5:00 pm17:00 in Rio Rico, AZ, USA is 8:00 pm20:00 in AST

Rio Rico to AST call time
Best time for a conference call or a meeting is between 8am-3pm in Rio Rico which corresponds to 11am-6pm in AST

5:00 pm17:00 MST (Mountain Standard Time) (Rio Rico, AZ, USA). Offset UTC -7:00 hours
8:00 pm20:00 Atlantic Standard Time (AST). Offset UTC -4:00 hours

5:00 pm17:00 Rio Rico, AZ, USA / 8:00 pm20:00 AST

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: Atlantic Standard Time (AST) is not adjusted for daylight saving therefore AST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Atlantic Standard Time remains the same

AST representations, usage and related time zones