The commission Sommer- und Winternachtsfest organizes an event at the end of each semester: either the Winternachtsfest (WiNaFe) in the fall semester or the Sommernachtsfest (SoNaFe) in the spring semester. Our parties usually take place in the last week of the semester in the HXE building on the ETH Hönggerberg campus. We provide 3 dancefloors with 4 bars to our guests to celebrate the ending of semester.