EST to AST ConverterRight in Your Browser
Convert Eastern Time (EST) to Atlantic Time (AST). EST covers the US East Coast — New York, Washington D.C., Boston, Atlanta and Miami. AST covers Canada's Atlantic provinces — Halifax, Moncton and Charlottetown. Everything is calculated locally in your browser — no server, and it works offline.
10:00 AM
in AST (Atlantic Time)
AST is currently 1 hour ahead of EST.
Current time in EST
…
Current time in AST
…
EST to AST Chart
| EST | AST |
|---|---|
| 12:00 AM | 1:00 AM |
| 1:00 AM | 2:00 AM |
| 2:00 AM | 3:00 AM |
| 3:00 AM | 4:00 AM |
| 4:00 AM | 5:00 AM |
| 5:00 AM | 6:00 AM |
| 6:00 AM | 7:00 AM |
| 7:00 AM | 8:00 AM |
| 8:00 AM | 9:00 AM |
| 9:00 AM | 10:00 AM |
| 10:00 AM | 11:00 AM |
| 11:00 AM | 12:00 PM |
| 12:00 PM | 1:00 PM |
| 1:00 PM | 2:00 PM |
| 2:00 PM | 3:00 PM |
| 3:00 PM | 4:00 PM |
| 4:00 PM | 5:00 PM |
| 5:00 PM | 6:00 PM |
| 6:00 PM | 7:00 PM |
| 7:00 PM | 8:00 PM |
| 8:00 PM | 9:00 PM |
| 9:00 PM | 10:00 PM |
| 10:00 PM | 11:00 PM |
| 11:00 PM | 12:00 AM (next day) |
Frequently Asked Questions
How many hours ahead is AST of EST?
AST is currently 1 hour ahead of EST. EST is Eastern Time (America/New_York); AST is Atlantic Time (America/Halifax).
What time is 9:00 AM EST in AST?
9:00 AM EST is 10:00 AM AST today. Use the converter above for any other time — it calculates with today's actual offsets.
Do EST and AST observe daylight saving time?
Partially — EST switches to EDT (UTC-4) from March to November, while AST switches to ADT (UTC-3) from March to November. This converter uses today's real offsets, so daylight saving is always accounted for automatically.
When is the best time for a meeting between EST and AST?
Working hours overlap between 9:00 AM and 5:00 PM EST (10:00 AM–6:00 PM AST) — schedule meetings in that window so both sides stay inside a normal workday.
Every conversion runs 100% in your browser — zero files uploaded, ever.
How to verify it yourself →