The attached image illustrates a problem I have found, it looks like a bug.
Here is the similar question and answers !~
Thanks for the tip but it hasn’t fixed the issue. Surely others are having the same problem - I want to buy the pro edition but this is holding me back.
The browser in the console displays the local data for your current timezone (converts to UTC)
You may use the server_utc attribute to change the behavior:
docs.dhtmlx.com/gantt/api__gantt … onfig.html