Convert Eastern Standard Time (EST, UTC-5) to Atlantic Standard Time (AST, UTC-4).EST is used in the North America region and AST is used in the North America region.
| EST | AST |
|---|---|
| 12:00 AM | 1:00 AM |
| 3:00 AM | 4:00 AM |
| 6:00 AM | 7:00 AM |
| 9:00 AM | 10:00 AM |
| 12:00 PM | 1:00 PM |
| 3:00 PM | 4:00 PM |
| 6:00 PM | 7:00 PM |
| 9:00 PM | 10:00 PM |
Eastern Standard Time (EST) is UTC-5 and Atlantic Standard Time (AST) is UTC-4. The exact difference can vary due to Daylight Saving Time changes. Our converter automatically accounts for current DST rules to give you accurate conversions.
Use the conversion table above to find common time mappings between EST and AST. For precise conversions including DST adjustments, use the interactive converter.
Eastern Standard Time (EST) is based on the America/New_York timezone. DST observance depends on local regulations. Our converter automatically accounts for current DST rules.
Convert Eastern Standard Time to Atlantic Standard Time
| EST | AST |
|---|---|
| 12:00 AM | 1:00 AM |
| 3:00 AM | 4:00 AM (-1) |
| 6:00 AM | 7:00 AM |
| 9:00 AM | 10:00 AM |
| 12:00 PM | 1:00 PM |
| 3:00 PM | 4:00 PM |
| 6:00 PM | 7:00 PM |
| 9:00 PM | 10:00 PM |
Eastern Standard Time (EST) is UTC-5 and Atlantic Standard Time (AST) is UTC-4. The exact difference can vary due to Daylight Saving Time changes.
Use our converter above to find the exact time. Enter 9:00 in the EST field to see the corresponding AST time, accounting for current DST rules.
Eastern Standard Time (EST) is based on the America/New_York timezone. DST observance depends on local regulations. Our converter automatically accounts for current DST rules.