Demo of maxDate for maximum allowed date selection in Date Picker using JQuery
Date: Maximum Selection is today
new Date
Date: Maximum Selection is 31-12-15
31-12-2015
Date: Maximum Selection is One Month
+1m
Date: Maximum Selection is One Month 5 days
+1m+5d
Date: Maximum Selection is One Year 1 Month
+1y+1m
Date: Maximum Selection is One Month 2 Weeks
+1m+2w
HTML
<div class="col-md-2">Date: Maximum Selection is today<br> <input type="text" id="date_picker" size=9><br>new Date</div>
<div class="col-md-2">Date: Maximum Selection is 31-12-15<br> <input type="text" id="date_picker1" size=9><br>31-12-2015</div>
<div class="col-md-2">Date: Maximum Selection is One Month<br> <input type="text" id="date_picker2" size=9><br>+1m</div>
<div class="col-md-2">Date: Maximum Selection is One Month 5 days<br> <input type="text" id="date_picker3" size=9><br>+1m+5d</div>
<div class="col-md-2">Date: Maximum Selection is One Year 1 Month<br> <input type="text" id="date_picker4" size=9><br>+1y+1m</div>
<div class="col-md-2">Date: Maximum Selection is One Month 2 Weeks<br> <input type="text" id="date_picker5" size=9><br>+1m+2w</div>