HST to CET
On Oct 23, 2026, Central European Time is 12 hours ahead of Hawaii Time: 9:00 AM HST is 9:00 PM CEST. The gap changes during the year because of daylight saving time; the dates are below.
CET vs HST over the next 12 months
| Period | CET is | Example |
|---|---|---|
| Oct 23, 2026 to Oct 24, 2026 | 12 hours ahead | 9:00 AM HST = 9:00 PM CEST |
| Oct 24, 2026 to Mar 27, 2027 | 11 hours ahead | 9:00 AM HST = 8:00 PM CET |
| Mar 27, 2027 onwards | 12 hours ahead | 9:00 AM HST = 9:00 PM CEST |
HST to CET conversion table
Every hour of a weekday around Oct 23, 2026, in both zones.
| Hawaii Time | Central European Time |
|---|---|
| 12:00 AM | 11:00 AM |
| 1:00 AM | 12:00 PM |
| 2:00 AM | 1:00 PM |
| 3:00 AM | 2:00 PM |
| 4:00 AM | 3:00 PM |
| 5:00 AM | 4:00 PM |
| 6:00 AM | 5:00 PM |
| 7:00 AM | 6:00 PM |
| 8:00 AM | 7:00 PM |
| 9:00 AM | 8:00 PM |
| 10:00 AM | 9:00 PM |
| 11:00 AM | 10:00 PM |
| 12:00 PM | 11:00 PM |
| 1:00 PM | 12:00 AM (next day) |
| 2:00 PM | 1:00 AM (next day) |
| 3:00 PM | 2:00 AM (next day) |
| 4:00 PM | 3:00 AM (next day) |
| 5:00 PM | 4:00 AM (next day) |
| 6:00 PM | 5:00 AM (next day) |
| 7:00 PM | 6:00 AM (next day) |
| 8:00 PM | 7:00 AM (next day) |
| 9:00 PM | 8:00 AM (next day) |
| 10:00 PM | 9:00 AM (next day) |
| 11:00 PM | 10:00 AM (next day) |
Best time for a meeting
There is no 9-to-5 overlap; within an 8 AM–8 PM day the zones overlap for 1 hour on a weekday: 8:00 AM–9:00 AM HST, which is 7:00 PM–8:00 PM CET.
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Daylight saving time
Central European Time (CET/CEST)
- Oct 25, 2026: clocks go back 1 hour at 3:00 AM (UTC+2 → UTC+1)
- Mar 28, 2027: clocks go forward 1 hour at 2:00 AM (UTC+1 → UTC+2)
Where these clocks are used
- Hawaii Time (HST): Hawaii, which does not observe daylight saving time. IANA zone
Pacific/Honolulu. - Central European Time (CET/CEST): Paris, Berlin, Madrid, Rome, Amsterdam, Stockholm. IANA zone
Europe/Paris.
Questions
What time is it in CET when it is 9 AM HST?
On Oct 23, 2026, 9:00 AM HST is 9:00 PM CEST. On other dates the answer can shift by an hour because of daylight saving time; the table of periods on this page gives each one.
How many hours ahead of HST is CET?
It depends on the date. Oct 23, 2026 to Oct 24, 2026: CET is 12 hours ahead. Oct 24, 2026 to Mar 27, 2027: CET is 11 hours ahead. Mar 27, 2027 onwards: CET is 12 hours ahead.
Do HST and CET observe daylight saving time?
Hawaii Time stays on UTC−10 all year. Central European Time switches to CEST (UTC+2) in summer and back to CET (UTC+1) in winter.
What is the best time for a meeting between HST and CET?
There is no 9-to-5 overlap; within an 8 AM–8 PM day the zones overlap for 1 hour on a weekday: 8:00 AM–9:00 AM HST, which is 7:00 PM–8:00 PM CET.
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Related conversions
- CET to HST (reverse)
- EST to CET
- CST to CET
- MST to CET
- PST to CET
- UTC to CET
- GMT to CET
- IST to CET
- SGT to CET
- JST to CET
- AEST to CET
- AKST to CET
- All time zones
Computed from the IANA time zone database on Oct 23, 2026. Live clocks and the converter use your browser's copy of the same data.