Audio Systems: Nissan Sentra CY068, set clock time, 2008 nissan pathfinder, nissan sentra

Question
One day my car lost energy,I jump started it, as the time lost
its track. There's no manual for it. How to change the time?

Answer
You did not give a year..   they are all different but same year different models are often the same.  Try this one:

http://www.ehow.com/how_6154990_set-clock-2008-nissan-pathfinder.html

or this one:

http://www.nissanusa.com/pdf/techpubs/sentra/2006/2006_Sentra_QRG.pdf

or this one:

CLOCK/SET ADJUSTMENT
The audio system must be turned off to adjust the time.
1. To adjust the time, press and hold the CLOCK DISP button for more than
approximately 1.5 seconds.
2. Hour Adjust will appear on the screen; press the SEEK or TUNE button to adjust the
hour.
3. Press the CLOCK DISP button again.
4. Minute Adjust will appear on the screen; press the SEEK or TUNE button to adjust
the minutes.
5. Press the CLOCK DISP button again. Clock Is Set will appear on the screen.

Next time please give all the details about the vehicle, year, model and series of the car, etc......  Tks.