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

ET is currently 1 hour behind AST.

Abbreviation disambiguation

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

Full AST to ET conversion table

Daylight saving and how the gap changes

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

Frequently asked questions

Is ET ahead of or behind AST right now?

ET is currently 1 hour behind AST.

What is the current AST to ET time difference?

Right now the gap is 1 hour behind — ET is 1 hour behind AST.

Does the AST → ET offset change during the year?

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

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.

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.

What time is 9 AM AST in ET?

9:00 AM AST is 8:00 AM ET.

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

12:00 PM AST is 11:00 AM ET.

What time is 5 PM AST in ET?

5:00 PM AST is 4:00 PM ET.

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

The working-hours overlap (09:00–17:00 in both zones) runs roughly 10:00 AM – 5:00 PM AST (≈ 7 hours). Mid-morning AST is usually the safest window for a live call.

What time zone does AST refer to?

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

What time zone does ET refer to?

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

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 AST
• About ET