Identify the sentence with correct punctuation.

1. ক
   The meeting is scheduled for Monday, October 12, 2023, at 10:00 AM.
   
2. খ
   The meeting is scheduled for Monday October 12 2023 at 10:00 AM.
   
3. গ
   The meeting is scheduled for Monday, October 12 2023, at 10:00 AM.
   
4. ঘ
   The meeting is scheduled for Monday October 12, 2023 at 10:00 AM.