Every full and half-hour, between trips on demand
1. January   - 28. February
 9.00 - 16.00 
1. March  - 31.May
 8.30 - 17.00 
01. April - 12. April
closed for revision
13. April - 30. Juni
8.30 - 17.00
1. July  30. September 8.30 - 17.30
 1. October - 20. October
 8.30 - 17.00
21. October - 13. December closed for revision
 14. December - 31. December  9.00 - 16.00
Changes reserved;