The City of Uster is located in the Canton of Zurich, Switzerland.
| Date | Holiday |
|---|---|
| 01/01/2021 | New Year's Day |
| 04/02/2021 | Good Friday |
| 04/04/2021 | Easter |
| 04/05/2021 | Easter Monday |
| 05/13/2021 | Feast of the Ascension of Jesus Christ |
| 05/24/2021 | Pentecost Monday |
| 08/01/2021 | Swiss National Day |
| 09/19/2021 | Federal Day of Thanksgiving, Repentance and Prayer |
| 12/25/2021 | Christmas Day |
| 12/26/2021 | Saint Stephen's Day |
| 12/31/2021 | New Year's Eve |