dhtmlx gantt - scale issue - russian timezone


I have some issues with scale for “Russian Standard Time” timezone

OS: windows 8.1
timezone: “Russian Standard Time” (you can change it by cmd tzutil /s “Russian Standard Time”)

If I chnage local to ‘tzutil /s “Central America Standard Time”’. Example works fine.

Please see snapshot and attached screenshots:


Could you please help to resolve this issue?