BUG: not have 19 days in October

In the month of October on 18 repeat instead of 19

Hello
Problem is fixed and will uncluded into the nearest release.
If you need fixed asap please provide demo on support@dhsmlx.com including calendar.js or dhtmlx.js with a link to this topic

We fixed this issue on our site, please, try it
dhtmlx.com/docs/products/dhtmlxCalendar/