CET to HST Converter
HST is 11 hours behind CET. 9:00 AM CET = 10:00 PM HST (previous day).
HST is 11 hours behind CET at the moment. To convert CET to HST, subtract 11 hours from the CET time: 9:00 AM CET = 10:00 PM HST (previous day).
CET (Central European Time) is used in Germany, France, Italy, Spain, Netherlands, Belgium, Poland, Sweden, Norway, Austria, Switzerland and more. HST (Hawaii-Aleutian Time) is used in Hawaii (all year, no daylight saving time).
CET to HST time conversion table
CET to HST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| CET | HST | Day |
|---|---|---|
| 12:00 AM CET | 1:00 PM HST | previous day |
| 1:00 AM CET | 2:00 PM HST | previous day |
| 2:00 AM CET | 3:00 PM HST | previous day |
| 3:00 AM CET | 4:00 PM HST | previous day |
| 4:00 AM CET | 5:00 PM HST | previous day |
| 5:00 AM CET | 6:00 PM HST | previous day |
| 6:00 AM CET | 7:00 PM HST | previous day |
| 7:00 AM CET | 8:00 PM HST | previous day |
| 8:00 AM CET | 9:00 PM HST | previous day |
| 9:00 AM CET | 10:00 PM HST | previous day |
| 10:00 AM CET | 11:00 PM HST | previous day |
| 11:00 AM CET | 12:00 AM HST | night |
| 12:00 PM CET | 1:00 AM HST | night |
| 1:00 PM CET | 2:00 AM HST | night |
| 2:00 PM CET | 3:00 AM HST | night |
| 3:00 PM CET | 4:00 AM HST | night |
| 4:00 PM CET | 5:00 AM HST | night |
| 5:00 PM CET | 6:00 AM HST | — |
| 6:00 PM CET | 7:00 AM HST | — |
| 7:00 PM CET | 8:00 AM HST | — |
| 8:00 PM CET | 9:00 AM HST | — |
| 9:00 PM CET | 10:00 AM HST | — |
| 10:00 PM CET | 11:00 AM HST | — |
| 11:00 PM CET | 12:00 PM HST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert CET to HST
Subtract 11 hours from the CET time to get HST.
Example: 9:00 AM CET = 10:00 PM HST (previous day).
Across midnight: 1:00 AM CET = 2:00 PM HST (previous day). The date changes, so always check the day as well as the hour.
Time difference between CET and HST
The time difference between CET and HST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 28 Mar 2026: HST is 11 hours behind of CET.
- 29 Mar 2026 – 24 Oct 2026: HST is 12 hours behind of CET.
- 25 Oct 2026 – 31 Dec 2026: HST is 11 hours behind of CET.
CET and HST during daylight saving time
- CET next changes on 28 Mar 2027: clocks go forward one hour at 01:59 local time, from CET (UTC+1) to CEST (UTC+2).
- HST does not observe daylight saving time; it stays on UTC−10 all year.
Best time for a meeting between CET and HST
CET and HST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM CET, which is 8:00 PM HST.
CET to HST FAQ
What is the time difference between CET and HST?
Right now HST is 11 hours behind CET. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM CET in HST?
9:00 AM CET is 10:00 PM HST (previous day).
What is 12 PM (noon) CET in HST?
12:00 PM CET is 1:00 AM HST.
Is HST ahead of or behind CET?
HST is 11 hours behind CET, so it is earlier in HST than in CET.
Does CET change for daylight saving time?
Yes. CET next changes on 28 Mar 2027, when clocks go forward one hour from CET to CEST.
Does HST change for daylight saving time?
No. HST stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between CET and HST?
CET and HST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM CET, which is 8:00 PM HST.
Related conversions
Convert HST to CET
Convert CET to other time zones
Convert other time zones to HST
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.