@DontVoteMeDown is right.
If you wanted to do 1 am the following morning, just do this:
var dolazak = new Date(now.getFullYear(),now.getMonth(),now.getDate()+1,1,00,00);
The now.getDate()+1
makes dolazak
be the next day, so ...1,00,00);
sets the variable as 1:00am the next morning.