I CAN SCHEDULE MY POST NOW. I Couldn't schedule my post for several weeks. There were many ways I did to solve schedule post problem, but none could fix it. Now I can schedule all of posts to http://lenterablogger.blogspot.com/. Do you know HOW TO SCHEDULE POST IN BLOGGER.COM? these are the ways :
Change your Timezone
In Post settings, write down your location (Let blogger.com access your location). Klik allow under search box
Klik done
Finally, publish your post