AST to EST Converter

EST is 1h 0m behind AST. When it's 12:00 PM AST, it's 11:00 AM EST.

From

AST · UTC-4

12:09:47AM

Atlantic Standard Time

e.g. Halifax, Puerto Rico

To

EST · UTC-5

11:09:47PM

Eastern Standard Time

e.g. New York, Toronto

Open in World ClockEST → AST
9:00 AM AST=8:00 AM EST
12:00 PM AST=11:00 AM EST
5:00 PM AST=4:00 PM EST

Hourly conversion (AST → EST)

ASTEST
12:00 AM11:00 PM(−1 day)
1:00 AM12:00 AM
2:00 AM1:00 AM
3:00 AM2:00 AM
4:00 AM3:00 AM
5:00 AM4:00 AM
6:00 AM5:00 AM
7:00 AM6:00 AM
8:00 AM7:00 AM
9:00 AM8:00 AM
10:00 AM9:00 AM
11:00 AM10:00 AM
12:00 PM11:00 AM
1:00 PM12:00 PM
2:00 PM1:00 PM
3:00 PM2:00 PM
4:00 PM3:00 PM
5:00 PM4:00 PM
6:00 PM5:00 PM
7:00 PM6:00 PM
8:00 PM7:00 PM
9:00 PM8:00 PM
10:00 PM9:00 PM
11:00 PM10:00 PM

Shaded rows are within standard working hours (8am–6pm) on both sides.

EST (UTC−5) is the standard-time offset. From March to November the US East Coast observes EDT (UTC−4) instead.

More AST conversions

Frequently asked questions

What is the time difference between AST and EST?
EST is 1h 0m behind AST. AST is UTC-4 and EST is UTC-5.
What is 12:00 PM AST in EST?
12:00 PM AST is 11:00 AM EST.
Does AST change for daylight saving time?
AST is a fixed offset of UTC-4 and does not itself change for daylight saving time.