Hi Roman,
Thanks for using Syncfusion product.
We are unable to reproduce the issue with “appointment text not displaying properly for Saturday column while using AppointmentTemplate” in schedule control. We have prepared sample for the same and please find the sample in the below link.
Could you please modify the above sample to reproduce the mentioned issue? So that we could analyze on your requirement further and provide you the possible solution.
Regards
Vigneshkumar R