Instructions
Open the "Sims 2" game. Select the family to start playing the game. Press the Pause button to pause the game once the game opens.
Find the "Control," "Shift" and "C" keys. Hold these keys down at the same time, which will open the cheat window.
Type "agesimscheat on" in the window (without the quotation marks). Select "Enter."
Click on the Sim that will skip the days and nights. Select "Set Age" to skip the days and nights and go onto the next stage of life.