Tschas was formerly part of the German Empire. In the German Empire, the place was called Časy.
The place is now called Časy and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Čas | Austro-Hungary | Pardubitz | before the Treaty of Saint-Germain |
| Časy | Austro-Hungary | Pardubitz | before the Treaty of Saint-Germain |
| Časy | Czechoslovakia | Pardubice | after the Treaty of Saint-Germain |
| Tschas | German Empire | Pardubitz | 1939 |
| Časy | German Empire | Pardubitz | 1939 |
| Časy | Czechoslovakia | Pardubice | 1945 |
| Časy | Czechoslovakia | Východní Čechy | 1992 |