UTC-7 ⇄ UTC-10
MST to HST Time Zone Converter
Convert Mountain Standard Time to Hawaii Standard Time with live clocks, instant conversion tables, and remote meeting overlap finders.
Time Offset
-3 hours
HST is 3 hours behind MST
⚡ Live MST to HST Calculator
Real-Time Sync Mountain Standard Time (MST) UTC-7
Major Hubs: Denver, Phoenix, Salt Lake City
Hawaii Standard Time (HST) UTC-10
5:00 AM
Same calendar day • Hubs: Honolulu, Maui, Hilo
Popular MST to HST Conversions
Instant lookup for standard business and day milestones.
Start of Day
9:00 AM MST
equals
5:00 AM HST
Mid-Morning
11:00 AM MST
equals
7:00 AM HST
Noon / Lunch
12:00 PM MST
equals
8:00 AM HST
Afternoon
3:00 PM MST
equals
11:00 AM HST
End of Day
5:00 PM MST
equals
1:00 PM HST
Evening
8:00 PM MST
equals
4:00 PM HST
🤝 Remote Meeting Optimizer
Open Golden Hour Planner →
Best Meeting Time Between MST & HST
The ideal Golden Window for scheduling calls between MST and HST is 1:00 PM – 4:00 PM MST (which corresponds to 9:00 AM – 12:00 PM HST), allowing all participants to connect within regular business working hours.
24-Hour MST to HST Conversion Schedule
Click any row to view meeting overlap status.
Business (9-17)
Awake
Sleep
| MST Time | HST Time | Calendar Shift | Overlap Compatibility |
|---|---|---|---|
| 12:00 AM (00:00) | 8:00 PM (20:00) | -1 day | Off-Hours |
| 1:00 AM (01:00) | 9:00 PM (21:00) | -1 day | Off-Hours |
| 2:00 AM (02:00) | 10:00 PM (22:00) | -1 day | Off-Hours |
| 3:00 AM (03:00) | 11:00 PM (23:00) | -1 day | Off-Hours |
| 4:00 AM (04:00) | 12:00 AM (00:00) | Same Day | Off-Hours |
| 5:00 AM (05:00) | 1:00 AM (01:00) | Same Day | Off-Hours |
| 6:00 AM (06:00) | 2:00 AM (02:00) | Same Day | Off-Hours |
| 7:00 AM (07:00) | 3:00 AM (03:00) | Same Day | Off-Hours |
| 8:00 AM (08:00) | 4:00 AM (04:00) | Same Day | Off-Hours |
| 9:00 AM (09:00) | 5:00 AM (05:00) | Same Day | ⚡ Flexible Overlap |
| 10:00 AM (10:00) | 6:00 AM (06:00) | Same Day | ⚡ Flexible Overlap |
| 11:00 AM (11:00) | 7:00 AM (07:00) | Same Day | ⚡ Flexible Overlap |
| 12:00 PM (12:00) | 8:00 AM (08:00) | Same Day | ⚡ Flexible Overlap |
| 1:00 PM (13:00) | 9:00 AM (09:00) | Same Day | ⭐ Golden Hour Overlap |
| 2:00 PM (14:00) | 10:00 AM (10:00) | Same Day | ⭐ Golden Hour Overlap |
| 3:00 PM (15:00) | 11:00 AM (11:00) | Same Day | ⭐ Golden Hour Overlap |
| 4:00 PM (16:00) | 12:00 PM (12:00) | Same Day | ⭐ Golden Hour Overlap |
| 5:00 PM (17:00) | 1:00 PM (13:00) | Same Day | ⚡ Flexible Overlap |
| 6:00 PM (18:00) | 2:00 PM (14:00) | Same Day | ⚡ Flexible Overlap |
| 7:00 PM (19:00) | 3:00 PM (15:00) | Same Day | ⚡ Flexible Overlap |
| 8:00 PM (20:00) | 4:00 PM (16:00) | Same Day | ⚡ Flexible Overlap |
| 9:00 PM (21:00) | 5:00 PM (17:00) | Same Day | Off-Hours |
| 10:00 PM (22:00) | 6:00 PM (18:00) | Same Day | Off-Hours |
| 11:00 PM (23:00) | 7:00 PM (19:00) | Same Day | Off-Hours |
About Origin Zone
Mountain Standard Time (MST)
Mountain Standard Time (MST) is 7 hours behind UTC, covering the Rocky Mountain region of North America.
Key Cities: Denver, Phoenix, Salt Lake City, Calgary, Edmonton
About Destination Zone
Hawaii Standard Time (HST)
Hawaii Standard Time is 10 hours behind UTC. Hawaii does not observe Daylight Saving Time.
Key Cities: Honolulu, Maui, Hilo, Kailua
Related Timezone Conversions
Explore other popular conversions connected to MST and HST.