Convert Alaska Standard Time to Atlantic Standard Time (AKST to AST)

Understanding AKST and AST Time Zones

Alaska Standard Time (AKST)

Alaska Standard Time is observed in undefined and uses the offset UTC-9. Major cities in this time zone include Anchorage, Fairbanks. This time zone serves a significant global region with important economic and cultural hubs.

Atlantic Standard Time (AST)

Atlantic Standard Time operates at UTC-4, covering undefined. Key cities include Halifax, San Juan. The 5-hour forward offset from AKST means that when professionals in Anchorage start their workday at 9:00 AM, it is already 2:00 PM in Halifax.

AKST is also commonly referred to as Alaska Time, Anchorage time. AST is also known as Atlantic Time, Puerto Rico time. So if you are searching for Alaska Time to Atlantic Time, this is the same conversion as AKST to AST.

Complete AKST to AST Conversion Table

The table below shows every two-hour increment converted from Alaska Standard Time to Atlantic Standard Time. Business hours (9 AM – 5 PM) are highlighted for easy scheduling reference.

Times shown in 12-hour and 24-hour format. Last updated 2026-03-09.

Scheduling Between AKST and AST

Freelancers and contractors working across AKST and AST should clearly state their invoicing time zone. A 5-hour difference means an "end of business day" deliverable could mean very different things to each party.

The moderate 5-hour gap between AKST and AST means that there is a partial overlap of business hours. Teams can typically find a 3–4 hour window that works for both sides without requiring anyone to work outside normal hours.

Travel Between Anchorage and Halifax

For layover planning between undefined and undefined destinations, connecting flights often involve intermediate time zones. Use our converter to verify each leg independently to avoid missed connections.

Medical experts recommend allowing approximately one day of adjustment per hour of time difference. For the 5-hour shift between AKST and AST, plan for about 5 days to fully acclimate.

Daylight Saving Time Considerations

Some regions within a time zone do not observe DST. Arizona (MST) and Hawaii (HST) stay on standard time year-round, which can create unexpected offsets with neighboring states during summer months.

For the AKST to AST conversion specifically: AKST (UTC-9) and AST (UTC-4) neither observes DST, so the 5-hour offset remains constant throughout the year. This makes scheduling reliable and predictable.

Related Time Zone Conversions

References & Resources

• TimeAndDate.com — World Time Zones
• NIST — Official US Time Standard
• IANA Time Zone Database
• Wikipedia — Time Zone Abbreviations
• WorldTimeServer — Current Times Worldwide

Frequently Asked Questions