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Convert HST to MDT Time

Convert Hawaii Standard Time (HST) to Mountain Daylight Time (MDT, UTC-6) with our free time zone converter. Features real-time conversion and meeting planner for time zone conversion. Accurate, fast, and easy to use on all devices.

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HST
Hawaii Standard Time
Current Time
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🇺🇸
MDT
Mountain Daylight Time
Current Time
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Converted Time
Select a time to convert
Time Difference
-
Your Local Time
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UTC Time
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HST to MDT Time Conversion

Mountain Daylight Time is 4 hours ahead of Hawaii Standard Time

Always accurate • Live conversion
4h
difference

HST to MDT Time Conversion Chart

Popular Time Conversions

Complete 24-Hour Conversion

Hawaii Standard Time to Mountain Daylight Time full day schedule

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12:00 AM
HST
4:00 AM
MDT
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1:00 AM
HST
5:00 AM
MDT
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2:00 AM
HST
6:00 AM
MDT
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3:00 AM
HST
7:00 AM
MDT
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4:00 AM
HST
8:00 AM
MDT
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5:00 AM
HST
9:00 AM
MDT
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6:00 AM
HST
10:00 AM
MDT
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7:00 AM
HST
11:00 AM
MDT
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8:00 AM
HST
12:00 PM
MDT
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9:00 AM
HST
1:00 PM
MDT
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10:00 AM
HST
2:00 PM
MDT
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11:00 AM
HST
3:00 PM
MDT
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12:00 PM
HST
4:00 PM
MDT
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1:00 PM
HST
5:00 PM
MDT
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2:00 PM
HST
6:00 PM
MDT
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3:00 PM
HST
7:00 PM
MDT
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4:00 PM
HST
8:00 PM
MDT
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5:00 PM
HST
9:00 PM
MDT
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6:00 PM
HST
10:00 PM
MDT
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7:00 PM
HST
11:00 PM
MDT
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8:00 PM
HST
12:00 AM
MDT
(next day)
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9:00 PM
HST
1:00 AM
MDT
(next day)
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10:00 PM
HST
2:00 AM
MDT
(next day)
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11:00 PM
HST
3:00 AM
MDT
(next day)
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Best Meeting Times for HST and MDT

Optimal Collaboration Hours

Best times for HST ↔ MDT meetings and calls

✅ Business hours overlap available

Recommended Meeting Windows

9:00 AM HST → 1:00 PM MDT
Perfect for both time zones
10:00 AM HST → 2:00 PM MDT
Perfect for both time zones
11:00 AM HST → 3:00 PM MDT
Perfect for both time zones

Based on standard business hours (9:00 AM - 6:00 PM) in each time zone

HST vs MDT Time Zone Details

Technical Information & Comparison

Detailed timezone specifications and regional data

🇺🇸

Hawaii Standard Time

Source timezone

UTC Offset -10.0h
Code HST
Region United States
Status ✓ Active
🇺🇸

Mountain Daylight Time

Target timezone

UTC Offset -6.0h
Code MDT
Region United States
Status ✓ Active
More HST Time Converters
12
Popular Zones
45+
Total Zones
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Quick Time Conversions
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12 zones
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