When you scheduled any category then content is not visible instantly. The content must be visible in the queue after midnight.
Category: Queue and Schedule
Define working of an any category timeslot?
When you are scheduling your updates there is an option of selecting your time slot for a selected category. Click “Timeslot” select your time and save.
What is my schedule timezone?
Timezone is already selected by you at the time of registration. Edit your time zone from the setting page of your account.
How do I schedule timing of my updates?
Once you saved the post in your library there is an option of “schedule +”(top right corner) by which it publishes on a scheduled time. Now, you can schedule your post.