for date based events use the date part only in the /calendar/:name endpoint

server.js

@@ -172,8 +172,8 @@ app.get('/calendar/:name', async (req, res) => {
                         } else {
                             // Date-based event
                             calendar.createEvent({
-                                start: start,
-                                end: end,
+                                start: start.toISOString().split('T')[0], // Use only the date part
+                                end: end.toISOString().split('T')[0],     // Use only the date part
                                 summary: summary,
                                 allDay: true, // Mark as an all-day event
                             });