Skip to main content
ToolsHub

Greenwich Mean Time to US Alaska Time

Convert times between Greenwich Mean Time (GMT, UTC+0:00) and US Alaska Time (AKST, UTC-9:00). US Alaska Time is 9 hours behind Greenwich Mean Time in standard time.

UTC+0:00 / +1:00UTC-9:00 / -8:00
Live timezone converter

UTC Offset Reference

TimezoneAbbreviationStandard offsetDST offsetCountry
Greenwich Mean TimeGMT / BSTUTC+0:00UTC+1:00United Kingdom
US Alaska TimeAKST / AKDTUTC-9:00UTC-8:00United States

* DST offset applies during summer months. Exact transition dates vary by year.

Standard Time Conversion (GMTAKST)

Greenwich Mean TimeUS Alaska Time
12:00 AM GMT3:00 PM (prev day) AKST
6:00 AM GMT9:00 PM (prev day) AKST
9:00 AM GMT12:00 AM AKST
12:00 PM GMT3:00 AM AKST
3:00 PM GMT6:00 AM AKST
6:00 PM GMT9:00 AM AKST
9:00 PM GMT12:00 PM AKST

Daylight Saving Time (DST) Notes

  • Greenwich Mean Time observes DST. Clocks advance 1 hour to BST (UTC+1:00) roughly from month 3 to 10.
  • US Alaska Time observes DST. Clocks advance 1 hour to AKDT (UTC-8:00) roughly from month 3 to 11.

Frequently Asked Questions

How do I convert GMT to AKST?
Add (-9) hours to the GMT time to get AKST. For example, 9:00 AM GMT = 12:00 AM AKST.
What is the current UTC offset for Greenwich Mean Time?
Greenwich Mean Time is UTC+0:00 during standard time (GMT) and UTC+1:00 during summer daylight saving time (BST).
Is US Alaska Time ahead or behind Greenwich Mean Time?
US Alaska Time is 9 hours behind Greenwich Mean Time in standard time.
When is a good time to schedule a meeting between GMT and AKST?
Due to the 9-hour difference, business-hours overlap may be limited. Use the live timezone converter to find a mutually convenient time.

Need the exact current time?

Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.

Open live converter →