formatting and date validation
diff --git a/erpnext/www/book-appointment/1.html b/erpnext/www/book-appointment/1.html
index db4ef26..da4fb25 100644
--- a/erpnext/www/book-appointment/1.html
+++ b/erpnext/www/book-appointment/1.html
@@ -12,7 +12,14 @@
<div class="row justify-content-center mt-3">
<div class="col-md-4 align-self-center ">
<form name="myform">
- <input type="date" name="appointment-date" id="appointment-date" class="form-control mt-3" min="{{ from_date }}" max="{{ to_date }}">
+ <input
+ type="date"
+ onchange="ondatechange()"
+ name="appointment-date"
+ id="appointment-date"
+ class="form-control mt-3"
+ min="{{ from_date }}"
+ max="{{ to_date }}">
<select name="appointment-timezone" id="appointment-timezone" class="form-control mt-3">
{% if timezones %}
{% for timezone in timezones%}