Opening hours Public holidays regional office Zürich-Wallisellen Public holidays regional office Zürich-Wallisellen Public Holiday Date Opening hours On-call service for emergencies Maundy Thursday 06.04.2023 closed from 12:00am no On-call service Good Friday 07.04.2023 closed no On-call service Easter Monday 10.04.2023 closed no On-call service Sechseläuten 17.04.2023 closed from 12:00am no On-call service Labour Day 01.05.2023 closed no On-call service Ascension 18.05.2023 closed no On-call service Friday after Ascension 19.05.2023 closed no On-call service Whit Monday 29.05.2023 closed no On-call service Swiss National Day 01.08.2023 closed no On-call service Knabenschiessen 11.09.2023 closed from 12:00am no On-call service Company holidays 26.12.2022 - 02.01.2023 closed 058 715 60 00 27. - 30.12.2022 08.00 - 18.00 Outside of our opening and on-call service hours, please contact your property caretaker.