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CET to HST converter
Central European Time
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Hawaii Time
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Hawaii Time is 12 hours behind Central European Time for most of the year, and 11 hours behind for part of it, because the two change their clocks on different dates (or only one of them changes at all).
When does the difference change?
In 2026:
- January 1 to March 28: Hawaii Time is 11 hours behind Central European Time
- March 29 to October 24: Hawaii Time is 12 hours behind Central European Time
- October 25 to December 31: Hawaii Time is 11 hours behind Central European Time
Questions
What time is 9 AM CET in HST?
For most of the year, 9 AM Central European Time is 9 PM the day before Hawaii Time. For part of the year it is 10 PM the day before, because of daylight saving time.
How many hours ahead or behind is HST from CET?
Hawaii Time is 12 hours behind Central European Time for most of the year, and 11 hours behind for part of it, because the two change their clocks on different dates (or only one of them changes at all).
Does the CET to HST difference change?
Yes. It changes 2 times in 2026 because of daylight saving time.
About these time zones
CET to HST, hour by hour
| Central European Time | Hawaii Time |
|---|---|
| 12 AM | 12 PM (previous day) |
| 1 AM | 1 PM (previous day) |
| 2 AM | 2 PM (previous day) |
| 3 AM | 3 PM (previous day) |
| 4 AM | 4 PM (previous day) |
| 5 AM | 5 PM (previous day) |
| 6 AM | 6 PM (previous day) |
| 7 AM | 7 PM (previous day) |
| 8 AM | 8 PM (previous day) |
| 9 AM | 9 PM (previous day) |
| 10 AM | 10 PM (previous day) |
| 11 AM | 11 PM (previous day) |
| 12 PM | 12 AM |
| 1 PM | 1 AM |
| 2 PM | 2 AM |
| 3 PM | 3 AM |
| 4 PM | 4 AM |
| 5 PM | 5 AM |
| 6 PM | 6 AM |
| 7 PM | 7 AM |
| 8 PM | 8 AM |
| 9 PM | 9 AM |
| 10 PM | 10 AM |
| 11 PM | 11 AM |
Based on the clocks on Monday, October 12, 2026. Use the converter above for another date.