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MST to HST Time Converter

HST is 3 hours behind MST right now. 9:00 AM in MST is 6:00 AM in HST.

Time now: MST and HST

🌐 Mountain Time (US & Canada)5:01 PMMonday, November 9 · UTC-07:00
🌐 Hawaii Time2:01 PMMonday, November 9 · UTC-10:00

HST is 3 hours behind MST right now. The gap is not fixed: it is 4 hours at some times of the year and 3 hours at others, because at least one of them changes its clocks for daylight saving time.

MST to HST conversion table

Every hour of the day, using today's time difference.

MSTHST
12:00 AM9:00 PMprevious day
1:00 AM10:00 PMprevious day
2:00 AM11:00 PMprevious day
3:00 AM12:00 AM
4:00 AM1:00 AM
5:00 AM2:00 AM
6:00 AM3:00 AM
7:00 AM4:00 AM
8:00 AM5:00 AM
9:00 AM6:00 AM
10:00 AM7:00 AM
11:00 AM8:00 AM
12:00 PM9:00 AM
1:00 PM10:00 AM
2:00 PM11:00 AM
3:00 PM12:00 PM
4:00 PM1:00 PM
5:00 PM2:00 PM
6:00 PM3:00 PM
7:00 PM4:00 PM
8:00 PM5:00 PM
9:00 PM6:00 PM
10:00 PM7:00 PM
11:00 PM8:00 PM

Best time to meet between MST and HST

Working hours overlap (9 AM – 6 PM in both places):

  • 12:00 PM – 6:00 PM MST = 9:00 AM – 3:00 PM HST

The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.

Does the time difference between MST and HST change?

Yes. Right now HST is 3 hours behind MST. These are the dates in the next 12 months when the gap changes:

  • Sunday, 14 March 2027: MST moves its clocks forward. HST is 4 hours behind MST from then (it was 3 hours before).
  • Sunday, 7 November 2027: MST moves its clocks back. HST is 3 hours behind MST from then (it was 4 hours before).

Office hours in each other's time

  • 9 AM to 6 PM in MST is 6:00 AM to 3:00 PM in HST.
  • 9 AM to 6 PM in HST is 12:00 PM to 9:00 PM in MST.

Based on today's clock settings.

Frequently asked questions

What is the time difference between MST and HST?

HST is 3 hours behind MST right now. The gap is not fixed: it is 4 hours at some times of the year and 3 hours at others, because at least one of them changes its clocks for daylight saving time.

How do I convert MST to HST?

Subtract 3 hours from the MST time to get the HST time (at today's difference). 9:00 AM in MST is 6:00 AM in HST. Or use the converter above and pick any date and time.

What is the current time in HST?

It is 2:01 PM in HST on Monday, November 9 (the converter above shows it live). At the same moment it is 5:01 PM in MST.

Does the time difference between MST and HST change during the year?

Yes. Right now HST is 3 hours behind MST. Over the next 12 months the gap changes 2 times: Sunday, 14 March 2027: MST moves its clocks forward. HST is 4 hours behind MST from then (it was 3 hours before). Sunday, 7 November 2027: MST moves its clocks back. HST is 3 hours behind MST from then (it was 4 hours before).

What is the best time for a meeting between MST and HST?

Between 9 AM and 6 PM in both places you can meet at 12:00 PM – 6:00 PM MST = 9:00 AM – 3:00 PM HST. Check the overlap section on this page for every option.

What does MST mean?

Mountain Time is MST (UTC-07:00) in winter and MDT (UTC-06:00) in summer. Arizona stays on MST all year.

What does HST mean?

Hawaii does not use daylight saving time.

More conversions

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