BST to HST time converter
Hawaii Time (HST) is 10 hours behind British Time (BST) in January and 11 hours behind in July, because daylight saving time shifts the difference. Use the grid below to line up London and Honolulu: 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 10:43 BST in London and 23:43 HST in Honolulu.
2/10 zones · drag the tape, scroll sideways or use the arrow keys; Home jumps back to now.
BST to HST: frequently asked
What is the time difference between BST and HST?
Hawaii Time (HST) is 10 hours behind British Time (BST) in January and 11 hours behind in July, because daylight saving time shifts the difference.
What time is 9 AM BST in HST?
9:00 AM BST is 11:00 PM HST the previous day in January, and 10:00 PM HST the previous day in July.
When do working hours overlap between London and Honolulu?
In January: Standard 9:00 AM–5:00 PM working hours never overlap. The closest fit is 7:00 PM BST, which is 9:00 AM HST. In July: Standard 9:00 AM–5:00 PM working hours never overlap. The closest fit is 8:00 PM BST, which is 9:00 AM HST.