Building A Clock using Arduino UNO

Hi there guys, im trying to build a digital clock using arduino UNO without external RTC, i mean by only using the coding, and i want to display the time in the serial monitor, can i do that? Thank you very much guys.. Cheers!! 8)

Please don't cross-post, IT WASTES TIME.

Duplicate deleted.

http://www.arduino.cc/playground/Code/Time