The ETH-Bibliothek, Special Collections, Baubibliothek, Bibliothek Erdwissenschaften, ETH-Bibliothek HDB, GESS-Bibliothek and Grüne Bibliothek will be closed as follows:
| from | at | to | |
| Christmas Holiday | Sat, 24.12. 2011 | Mon, 02.01.2012 | |
| Easter | Thu, 05.04.2012 | 16.45 | Mon, 09.04.2012 |
| Sechseläuten | Mon, 16.04.2012 | 12.45 | |
| Labour day | Tue, 01.05.2012 | ||
| Ascension Day | Wed, 16.05.2012 | 16.45 | Thu, 17.05.2012 |
| Whitsun | Sat, 26.05.2012 | Mon, 28.05.2012 | |
| National Holiday | Wed, 01.08.2012 | ||
| Knabenschiessen | Mon, 10.09.2012 | 12.45 | |
| ETH-Tag | Sat, 17.11.2012 | ||
| Polyball | Sat, 01.12.2012 | ||
| Christmas Holiday | Mon, 24.12.2012 | Wed, 02.01.2013 |
Closing: focusTerra, Collection of Prints and Drawings, Max Frisch Archive,
Thomas Mann Archives
