Centre Court matches start at 1.30pm, and with a curfew of 11pm.
Novak Djokovic has urged Wimbledon officials to re-think the time that matches start.
The defending champion is due to play for a third straight day as his last game spilled into yesterday having started late on Sunday evening.
With Centre Court matches starting at 1.30pm, and with a curfew of 11pm, Djokovic believes the traditional times need looking at.