Bi-weekly, semi-monthly scaling options

Would it be possible to have custom scaling options like bi-weekly, semi-monthly?

Hello Vikram,
Yes, you can do that. You need to use the custom scales:
https://docs.dhtmlx.com/gantt/desktop__configuring_time_scale.html#customtimeunits
Here are examples of how it can be done:
bi-week scale:
http://snippet.dhtmlx.com/7835a36d9
semi-month scale:
http://snippet.dhtmlx.com/a31f6928b