ET to AST Time — Convert Eastern Time (US) to Atlantic Standard Time

AST is currently 1 hour ahead of ET.

Abbreviation disambiguation

AST here means Atlantic Standard Time. Note: major collision: Arabia Standard Time (Asia/Riyadh) — page must disambiguate

Full ET to AST conversion table

Daylight saving and how the gap changes

The ET → AST offset stays constant across the year — neither zone shifts for daylight saving in a way that changes this gap.

Frequently asked questions

Is AST ahead of or behind ET right now?

AST is currently 1 hour ahead of ET.

What is the current ET to AST time difference?

Right now the gap is 1 hour ahead — AST is 1 hour ahead of ET.

Does the ET → AST offset change during the year?

No. Neither Eastern Time (US) nor Atlantic Standard Time shifts for daylight saving in a way that changes this offset — the gap is the same all year.

Does ET observe daylight saving time?

Yes — Eastern Time (US) observes DST, so its UTC offset shifts by 1 hour(s) between winter and summer.

Does AST observe daylight saving time?

Yes — Atlantic Standard Time observes DST, so its UTC offset shifts by 1 hour(s) between winter and summer.

What time is 9 AM ET in AST?

9:00 AM ET is 10:00 AM AST.

What time is 12 PM (noon) ET in AST?

12:00 PM ET is 1:00 PM AST.

What time is 5 PM ET in AST?

5:00 PM ET is 6:00 PM AST.

When is the best time to schedule a call between ET and AST?

The working-hours overlap (09:00–17:00 in both zones) runs roughly 9:00 AM – 4:00 PM ET (≈ 7 hours). Mid-morning ET is usually the safest window for a live call.

What time zone does ET refer to?

ET refers to Eastern Time (US) (IANA: America/New_York).

What time zone does AST refer to?

AST refers to Atlantic Standard Time (IANA: America/Halifax).

Is AST on this page the same as other zones that share the letters "AST"?

On Clockjumper, AST means Atlantic Standard Time. Disambiguation: major collision: Arabia Standard Time (Asia/Riyadh) — page must disambiguate

Related

• Main time converter
• About ET
• About AST