dhtmlx gantt - scale issue - russian timezone

Hello,

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:

docs.dhtmlx.com/gantt/snippet/41f43d1d

Could you please help to resolve this issue?