Opening hours Esperanto Museum
October to May
| Monday | closed |
| Tuesday | 10 a.m. to 6 p.m. |
| Wednesday | 10 a.m. to 6 p.m. |
| Thursday | 10 a.m. to 9 p.m. |
| Friday | 10 a.m. to 6 p.m. |
| Saturday | 10 a.m. to 6 p.m. |
| Sunday | 10 a.m. to 6 p.m. |
June to September
| Monday | 10 a.m. to 6 p.m |
| Tuesday | 10 a.m. to 6 p.m. |
| Wednesday | 10 a.m. to 6 p.m. |
| Thursday | 10 a.m. to 9 p.m. |
| Friday | 10 a.m. to 6 p.m. |
| Saturday | 10 a.m. to 6 p.m. |
| Sunday | 10 a.m. to 6 p.m. |
On December 24, the museums of the Austrian National Library close at 3 p.m. Additionally, on Monday 30 December 2019 and 6 January 2020 all museums are open from 10 a.m. to 6 p.m.