From e067bc1448264685e7510a042de29971de314e00 Mon Sep 17 00:00:00 2001
From: Milan <mc@radiopiloten.de>
Date: Fri, 24 Feb 2023 20:12:58 +0100
Subject: [PATCH] calcms.js: fix last day of month

---
 website/agenda/js/calcms.js | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/website/agenda/js/calcms.js b/website/agenda/js/calcms.js
index 3ff12c9..be71c1a 100644
--- a/website/agenda/js/calcms.js
+++ b/website/agenda/js/calcms.js
@@ -123,9 +123,13 @@ var calcms = (function($) {
         }
 
         if (field == 'month') {
-            if (month != '') {
-                from_date = month;
-                till_date = month.substring(0, month.length - 2) + "31";
+            if (month != null && month != '') {
+                let date = month;
+                let year = date.substring(0,4);
+                let mon = date.substring(5,7);
+                from_date = date;
+                till_date = date.substring(0, date.length - 2) +
+                    new Date(year, mon , 0).getDate();
             }
             weekday = '';
             date = '';