HST to BST time converter
British Time (BST) is 10 hours ahead of Hawaii Time (HST) in January and 11 hours ahead in July, because daylight saving time shifts the difference. Use the grid below to line up Honolulu and London: drag the cursor across the day, and working hours (9 AM–5 PM) are highlighted in every row so you can spot a slot that suits both sides.
Right now it is 23:43 HST in Honolulu and 10:43 BST in London.
2/10 zones · drag the tape, scroll sideways or use the arrow keys; Home jumps back to now.
HST to BST: frequently asked
What is the time difference between HST and BST?
British Time (BST) is 10 hours ahead of Hawaii Time (HST) in January and 11 hours ahead in July, because daylight saving time shifts the difference.
What time is 9 AM HST in BST?
9:00 AM HST is 7:00 PM BST in January, and 8:00 PM BST in July.
When do working hours overlap between Honolulu and London?
In January: Standard 9:00 AM–5:00 PM working hours never overlap. The closest fit is 7:00 AM HST, which is 5:00 PM BST. In July: Standard 9:00 AM–5:00 PM working hours never overlap. The closest fit is 6:00 AM HST, which is 5:00 PM BST.