From
Hawaii Time
Honolulu
Time Zone Converter
HST to GMT Time Zone Converter
Convert HST to GMT with a live clock, current time difference, UTC offsets, and work-hour overlap. GMT is 11 hours ahead of HST.
To
GMT
London
When it is 7:30 AM in Hawaii Time, it is 6:30 PM in GMT.
HST to GMT at a glance
GMT is 11 hours ahead of Hawaii Time. If someone gives you a time in Hawaii Time, move the clock by 11 hours to read it in GMT. A 9:00 AM start in Honolulu becomes 8:00 PM in London.
What Hawaii Time covers
Hawaii Time is used in Honolulu and the rest of Hawaii. It does not switch for daylight saving time. It is helpful when your team works with travel, hospitality, or customers in the Pacific.
What GMT covers
GMT is commonly used as the United Kingdom time reference. In summer, the UK moves to British Summer Time. It is a familiar baseline for Europe, Africa, and global remote teams.
Quick answers
What is the time difference between HST and GMT?
GMT is 11 hours ahead of Hawaii Time.
What happens to a 3:00 PM meeting in HST?
It lands at 2:00 AM in GMT.
Does daylight saving time matter for HST to GMT?
Hawaii Time and GMT are shown using the offsets that are active right now, so the result already reflects any daylight saving change in effect today.