How to see the sending time when the mobile phone is turned off and receives a text message?

The problem is that you can't receive short messages after your phone is turned off. When the mobile phone is turned off, the SMS sent to it will be saved in the information center (the number of the information center can be seen in the SMS settings), and will be sent to your mobile phone by the information center after the phone is turned on, or deleted by the information center after the effective time.