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UTC to HST converter
Coordinated Universal Time
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Hawaii Time
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Hawaii Time is always 10 hours behind Coordinated Universal Time.
When does the difference change?
The difference stays the same all year: HST is 10 hours behind UTC.
Questions
What time is 9 AM UTC in HST?
9 AM Coordinated Universal Time is 11 PM the day before Hawaii Time.
How many hours ahead or behind is HST from UTC?
Hawaii Time is always 10 hours behind Coordinated Universal Time.
Does the UTC to HST difference change?
No, it stays the same all year.
About these time zones
UTC to HST, hour by hour
| Coordinated Universal Time | Hawaii Time |
|---|---|
| 12 AM | 2 PM (previous day) |
| 1 AM | 3 PM (previous day) |
| 2 AM | 4 PM (previous day) |
| 3 AM | 5 PM (previous day) |
| 4 AM | 6 PM (previous day) |
| 5 AM | 7 PM (previous day) |
| 6 AM | 8 PM (previous day) |
| 7 AM | 9 PM (previous day) |
| 8 AM | 10 PM (previous day) |
| 9 AM | 11 PM (previous day) |
| 10 AM | 12 AM |
| 11 AM | 1 AM |
| 12 PM | 2 AM |
| 1 PM | 3 AM |
| 2 PM | 4 AM |
| 3 PM | 5 AM |
| 4 PM | 6 AM |
| 5 PM | 7 AM |
| 6 PM | 8 AM |
| 7 PM | 9 AM |
| 8 PM | 10 AM |
| 9 PM | 11 AM |
| 10 PM | 12 PM |
| 11 PM | 1 PM |
Based on the clocks on Monday, October 12, 2026. Use the converter above for another date.