BST to AKST Time Converter
AKST is 9 hours behind BST. BST is UTC+1:00, and Alaska is currently on AKDT (UTC-8:00).
Best Time to Call Between BST and AKST
Standard 9-to-5 hours in these two zones never overlap, so someone has to take the call outside their working day. The most workable window is 4:00 PM to 10:00 PM BST, which is 7:00 AM to 1:00 PM AKST.
both at work BST only AKST only neither — hours along the strip are BST.
Common Times Converted
BST on the left, AKST on the right.
BST to AKST: Full 24-Hour Conversion Table
Shaded rows are working hours; the darker shade marks the hours when both zones are at work.
| BST | AKST | Working hours |
|---|---|---|
| 12:00 AM | 3:00 PM prev day | AKST only |
| 1:00 AM | 4:00 PM prev day | AKST only |
| 2:00 AM | 5:00 PM prev day | — |
| 3:00 AM | 6:00 PM prev day | — |
| 4:00 AM | 7:00 PM prev day | — |
| 5:00 AM | 8:00 PM prev day | — |
| 6:00 AM | 9:00 PM prev day | — |
| 7:00 AM | 10:00 PM prev day | — |
| 8:00 AM | 11:00 PM prev day | — |
| 9:00 AM | 12:00 AM | BST only |
| 10:00 AM | 1:00 AM | BST only |
| 11:00 AM | 2:00 AM | BST only |
| 12:00 PM | 3:00 AM | BST only |
| 1:00 PM | 4:00 AM | BST only |
| 2:00 PM | 5:00 AM | BST only |
| 3:00 PM | 6:00 AM | BST only |
| 4:00 PM | 7:00 AM | BST only |
| 5:00 PM | 8:00 AM | — |
| 6:00 PM | 9:00 AM | AKST only |
| 7:00 PM | 10:00 AM | AKST only |
| 8:00 PM | 11:00 AM | AKST only |
| 9:00 PM | 12:00 PM | AKST only |
| 10:00 PM | 1:00 PM | AKST only |
| 11:00 PM | 2:00 PM | AKST only |
What BST and AKST Actually Are
BST — British Summer Time
London, Manchester, Birmingham, Glasgow, and the rest of the UK from late March to late October. Standing at UTC+1:00 as written, and the region does change its clocks, so its live offset moves by an hour twice a year. The next change is on Sunday, October 25, 2026, to GMT. BST also stands for Bangladesh Standard Time (UTC+6). BDT is the clearer label for that one.
British Summer Time began in 1916 as a wartime fuel-saving measure and has run every year since, making it one of the oldest continuous daylight saving schemes in the world.
AKST — Alaska Standard Time
Anchorage, Fairbanks, Juneau. Standing at UTC-9:00 as written, and the region does change its clocks, so its live offset moves by an hour twice a year. The next change is on Sunday, November 1, 2026, to AKST.
Alaska compressed four time zones into one in 1983, moving most of the state onto a single clock to keep business hours aligned with the rest of the country.
What This Means in Practice
Both sides change clocks, on different dates
Both regions observe daylight saving but do not switch on the same day, so for a week or two each spring and fall the gap between them is an hour different from the rest of the year. Those short windows are where recurring invitations quietly break.
Major Cities in Each Zone
Cities on BST
Cities on AKST
Frequently Asked Questions
What is the time difference between BST and AKST?
AKST is 9 hours behind BST. That is the live figure. Taken strictly as written, the gap between BST and AKST is 10 hours — the two differ because at least one of these regions is currently on daylight saving.
What is 9:00 AM BST in AKST?
9:00 AM BST is 12:00 AM AKST.
What are the best hours to schedule a call between BST and AKST?
Standard business hours in these two zones do not overlap at all, so one side has to work outside the 9-to-5. The most workable window is 4:00 PM to 10:00 PM BST, which is 7:00 AM to 1:00 PM AKST.
Does the difference between BST and AKST change during the year?
Yes. Both regions observe daylight saving, and they do not switch on the same dates, so the gap shifts by an hour at least twice a year. The next clock change is on Sunday, October 25, 2026.
Does BST always mean British Summer Time?
BST also stands for Bangladesh Standard Time (UTC+6). BDT is the clearer label for that one.