The Royal Castle in Chęciny is open all year long!
| Miesiąc | Dzień | Godziny |
| January* | every day | 9:00 – 15:00 |
| February* | every day | 9:00 – 16:00 |
| March* | every day | 9:00 – 17:00 |
| April* | every day | 9:00 – 19:00 |
| May | every day | 9:00 – 19:00 |
| June | every day | 9:00 – 19:00 |
| July | every day | 9:00 – 19:00 |
| August | every day | 9:00 - 19:00 |
| September | every day | 9:00 – 19:00 |
| October* | every day | 9:00 – 18:00 |
| November* | every day | 9:00 – 16:00 |
| December* | every day | 9:00 – 15:00 |
*In case of bad weather (snow, ice) the castle is closed.
The Royal Castle in Chęciny is open all year long, seven days a week, except:
- January 1
- Easter Sunday
- November 1
- December 24, 25, 31
