AST to AKST Converter
AKST is 5 hours behind AST. 9:00 AM AST = 4:00 AM AKST.
AKST is 5 hours behind AST. To convert AST to AKST, subtract 5 hours from the AST time: 9:00 AM AST = 4:00 AM AKST.
AST (Atlantic Time) is used in Nova Scotia, New Brunswick, PEI; Puerto Rico and the Eastern Caribbean (all year). AKST (Alaska Time) is used in Most of Alaska (Anchorage, Fairbanks, Juneau).
AST here is Atlantic Standard Time, not Arabia Standard Time.
AST to AKST time conversion table
AST to AKST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| AST | AKST | Day |
|---|---|---|
| 12:00 AM AST | 7:00 PM AKST | previous day |
| 1:00 AM AST | 8:00 PM AKST | previous day |
| 2:00 AM AST | 9:00 PM AKST | previous day |
| 3:00 AM AST | 10:00 PM AKST | previous day |
| 4:00 AM AST | 11:00 PM AKST | previous day |
| 5:00 AM AST | 12:00 AM AKST | night |
| 6:00 AM AST | 1:00 AM AKST | night |
| 7:00 AM AST | 2:00 AM AKST | night |
| 8:00 AM AST | 3:00 AM AKST | night |
| 9:00 AM AST | 4:00 AM AKST | night |
| 10:00 AM AST | 5:00 AM AKST | night |
| 11:00 AM AST | 6:00 AM AKST | — |
| 12:00 PM AST | 7:00 AM AKST | — |
| 1:00 PM AST | 8:00 AM AKST | — |
| 2:00 PM AST | 9:00 AM AKST | work hours |
| 3:00 PM AST | 10:00 AM AKST | work hours |
| 4:00 PM AST | 11:00 AM AKST | work hours |
| 5:00 PM AST | 12:00 PM AKST | — |
| 6:00 PM AST | 1:00 PM AKST | — |
| 7:00 PM AST | 2:00 PM AKST | — |
| 8:00 PM AST | 3:00 PM AKST | — |
| 9:00 PM AST | 4:00 PM AKST | — |
| 10:00 PM AST | 5:00 PM AKST | — |
| 11:00 PM AST | 6:00 PM AKST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert AST to AKST
Subtract 5 hours from the AST time to get AKST.
Example: 9:00 AM AST = 4:00 AM AKST.
Across midnight: 1:00 AM AST = 8:00 PM AKST (previous day). The date changes, so always check the day as well as the hour.
Time difference between AST and AKST
The time difference between AST and AKST is 5 hours all year – AKST is behind AST.
AST and AKST during daylight saving time
- AST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from AST (UTC−4) to ADT (UTC−3).
- AKST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from AKST (UTC−9) to AKDT (UTC−8).
Best time for a meeting between AST and AKST
AST and AKST share 3 hours of the 9 AM–5 PM working day. Any time between 2:00 PM and 5:00 PM AST lands between 9:00 AM and 12:00 PM AKST, inside working hours for both.
AST to AKST FAQ
What is the time difference between AST and AKST?
AKST is 5 hours behind AST all year. 9:00 AM AST = 4:00 AM AKST.
What is 9 AM AST in AKST?
9:00 AM AST is 4:00 AM AKST.
What is 12 PM (noon) AST in AKST?
12:00 PM AST is 7:00 AM AKST.
Is AKST ahead of or behind AST?
AKST is 5 hours behind AST, so it is earlier in AKST than in AST.
Does AST change for daylight saving time?
Yes. AST next changes on 14 Mar 2027, when clocks go forward one hour from AST to ADT.
Does AKST change for daylight saving time?
Yes. AKST next changes on 14 Mar 2027, when clocks go forward one hour from AKST to AKDT.
What is the best time for a meeting between AST and AKST?
AST and AKST share 3 hours of the 9 AM–5 PM working day. Any time between 2:00 PM and 5:00 PM AST lands between 9:00 AM and 12:00 PM AKST, inside working hours for both.
Related conversions
Convert AKST to AST
Convert AST to other time zones
Convert other time zones to AKST
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.