MST to HST time converter
Hawaii Time (HST) is 3 hours behind Mountain Time (MST) in January and 4 hours behind in July, because daylight saving time shifts the difference. Use the grid below to line up Denver 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 03:43 MDT in Denver and 23:43 HST in Honolulu.
2/10 zones · drag the tape, scroll sideways or use the arrow keys; Home jumps back to now.
MST to HST: frequently asked
What is the time difference between MST and HST?
Hawaii Time (HST) is 3 hours behind Mountain Time (MST) in January and 4 hours behind in July, because daylight saving time shifts the difference.
What time is 9 AM MST in HST?
9:00 AM MST is 6:00 AM HST in January, and 5:00 AM HST in July.
When do working hours overlap between Denver and Honolulu?
In January: Both sides are within 9:00 AM–5:00 PM working hours between 12:00 PM and 5:00 PM MST (9:00 AM to 2:00 PM HST). In July: Both sides are within 9:00 AM–5:00 PM working hours between 1:00 PM and 5:00 PM MST (9:00 AM to 1:00 PM HST).