Does the Forbidden City ticket have a time limit, I saw that the ticket has a time of a.m. and p.m. when I bought it?

Is there?
Morning session (off-peak season): 8:30 - 12:00 a.m.
Afternoon session (off-peak season): 11:00 - 3:30 p.m.
“Xiucai” says ticket讲解 service team senior guide
Shouldn’t be much of a restriction, I bought the morning session when I went, and they let me in when I went in the afternoon.
Morning and afternoon off-season: Morning 8:30-12:00, Afternoon 11:00-15:30 “Xiucai Interpreter” Ticket Explanation Service Team Senior Guides
Shouldn’t be much of a restriction, I bought the morning session when I went, and they let me in when I went in the afternoon.