UTCTime.nowCoordinated Universal Time

AST Time Now

Atlantic Time
Friday, November 6, 2026
Atlantic Standard Time (AST) • UTC−4
Day of weekFriday
Day of year310
Week numberWeek 45
DST statusNot observed

AST is in use right now in Atlantic Time (UTC−4).

AST is 4 hours behind of UTC (Coordinated Universal Time).

AST time zone

Atlantic Time

Atlantic Standard Time (AST)

IANA: America/Puerto_Rico · UTC−4

Daylight saving time in AST

AST does not use daylight saving time. The offset stays UTC−4 all year.

Sunrise and sunset in AST today

Sunrise 06:26 · Sunset 17:50

Daylight 11h 24m · Solar noon 12:08

What time zone is AST in?

AST is on Atlantic Time (AST, UTC−4). The IANA identifier is America/Puerto_Rico.

Does AST observe daylight saving time?

No. AST keeps UTC−4 all year, so its time difference with places that do change their clocks shifts by an hour twice a year.

Time in AST vs major world cities

CityLocal timeDifference from AST
New York Fri1 hour behind
Los Angeles Fri4 hours behind
London Fri4 hours ahead
Paris Fri5 hours ahead
Dubai Sat8 hours ahead
Mumbai Sat9.5 hours ahead
Singapore Sat12 hours ahead
Tokyo Sat13 hours ahead
Sydney Sat15 hours ahead
Johannesburg Fri6 hours ahead
São Paulo Fri1 hour ahead
Chicago Fri2 hours behind

November 2026 calendar for AST

MonTueWedThuFriSatSun
1
2345678
9101112131415
16171819202122
23242526272829
30

Frequently asked questions about AST

What time zone is AST in?
Atlantic Time (AST), UTC−4; IANA zone America/Puerto_Rico.
Does AST have daylight saving time?
No, it stays on UTC−4 all year.

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Guides on AST