MDT to HST Converter

HST is 4h 0m behind MDT. When it's 12:00 PM MDT, it's 8:00 AM HST.

From

MDT · UTC-6

10:09:45PM

Mountain Daylight Time

e.g. Denver

To

HST · UTC-10

6:09:45PM

Hawaii Standard Time

e.g. Honolulu

Open in World ClockHST → MDT
9:00 AM MDT=5:00 AM HST
12:00 PM MDT=8:00 AM HST
5:00 PM MDT=1:00 PM HST

Hourly conversion (MDT → HST)

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

Shaded rows are within standard working hours (8am–6pm) on both sides.

Hawaii does not observe daylight saving time, so HST (UTC−10) applies year-round.

More MDT conversions

Frequently asked questions

What is the time difference between MDT and HST?
HST is 4h 0m behind MDT. MDT is UTC-6 and HST is UTC-10.
What is 12:00 PM MDT in HST?
12:00 PM MDT is 8:00 AM HST.
Does MDT change for daylight saving time?
MDT is a fixed offset of UTC-6 and does not itself change for daylight saving time.