MST to HST Time Converter

When it's 12:00 PM MST, it's 9:00 AM HST 3 hours behind

Convert Time

MST (Mountain Standard Time)
--:--:--
HST (Hawaii Standard Time)
--:--:--
= -- HST
Time in MSTTime in HST
12:00 AM9:00 PM (-1 day)
1:00 AM10:00 PM (-1 day)
2:00 AM11:00 PM (-1 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

Daylight Saving Time (DST) may affect this conversion. MST observes DST. HST does not observe DST.

Major Cities in MST (Mountain Standard Time)

  • Denver
  • El Paso
  • Albuquerque
  • Colorado Springs
  • Salt Lake City

Major Cities in HST (Hawaii Standard Time)

  • Honolulu
  • East Honolulu
  • Pearl City
  • Makakilo / Kapolei / Honokai Hale
  • Kalihi-Palama
What is the time difference between MST and HST?

HST is 3 hours behind compared to MST. When it's 12:00 PM (noon) in MST, it's 9:00 AM in HST.

Does Daylight Saving Time (DST) affect MST to HST conversion?

MST observes DST. HST does not observe DST. During DST transitions, the time difference may change by one hour.

What major cities use MST (Mountain Standard Time)?

Major cities in the MST timezone include Denver, El Paso, Albuquerque, Colorado Springs, Salt Lake City.

What is the best time to call from MST to HST?

The best time to call from MST to HST is between 9:00 AM and 5:00 PM MST, which is 6:00 AM to 2:00 PM HST. This ensures both parties are available during normal business hours (9 AM - 5 PM).