AST – Atlantic Standard Time
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What Time Is It in AST?
It is 10:39 PM on Friday, November 13, 2026 in AST.
What Is AST?
AST stands for Atlantic Standard Time, which is UTC−4. Atlantic Time is used in the Canadian Maritime provinces, including Nova Scotia and New Brunswick, where it switches to Atlantic Daylight Time (ADT, UTC−3) in summer. Puerto Rico, the Dominican Republic and many Caribbean islands use AST all year.
On Sunday, March 14, 2027 the clocks change to ADT (UTC−3).
AST Time Zone
ASTTime Zone
UTC−4UTC Offset
YesDaylight Saving
AST to Other Time Zones
When it is 12:00 PM (noon) AST, it is:
| UTC Coordinated Universal Time | 4:00 PM |
| EST Eastern Standard Time | 11:00 AM |
| CST Central Standard Time | 10:00 AM |
| MST Mountain Standard Time | 9:00 AM |
| PST Pacific Standard Time | 8:00 AM |
| GMT Greenwich Mean Time | 4:00 PM |
| CET Central European Time | 5:00 PM |
| EET Eastern European Time | 6:00 PM |
| IST India Standard Time | 9:30 PM |
| CST China Standard Time | 12:00 AM (next day) |
| JST Japan Standard Time | 1:00 AM (next day) |
| AEST Australian Eastern Standard Time | 2:00 AM (next day) |
Time in Other Cities
The time now in other major cities, and how far each one is ahead of or behind the time in AST:
| City | Local Time | Difference |
|---|---|---|
| New York | 9:39 PM | 1 hour behind |
| Los Angeles | 6:39 PM | 4 hours behind |
| London | 2:39 AM | 4 hours ahead |
| Paris | 3:39 AM | 5 hours ahead |
| Dubai | 6:39 AM | 8 hours ahead |
| New Delhi | 8:09 AM | 9 hours 30 minutes ahead |
| Manila | 10:39 AM | 12 hours ahead |
| Tokyo | 11:39 AM | 13 hours ahead |
| Sydney | 1:39 PM | 15 hours ahead |