clock example

docs/examples/timers/clock.py

@@ -0,0 +1,22 @@
+from datetime import datetime
+
+from rich.align import Align
+
+from textual.app import App
+from textual.widget import Widget
+
+
+class Clock(Widget):
+    async def on_mount(self, event):
+        self.set_interval(1, callback=self.refresh)
+
+    def render(self) -> Align:
+        time = datetime.now().strftime("%X")
+        return Align.center(time, vertical="middle")
+
+class ClockApp(App):
+    async def on_mount(self, event):
+        await self.view.dock(Clock())
+
+
+ClockApp.run()