Mark Today on calendar

Hello,

I would like to show two days (present and selected/choosed) on calendar.
Present day in different color then selected day in calendar in this same time.

For example:
Today is: 21.11.2019
I open calendar and choose 25.11.2019
I would like to present: selected day will be marked on blue and present day will be grey

Is there any method for that?

Unfortunately in the dhtmlxCalendar 5 there is no API allowing to mark the dates.