arduino time keeping

im looking for a arduino library to keep time for my watch project and i can seem to find one that works ive tryed the ones at http://playground.arduino.cc/Code/Time but i get the error

Specified folder/zip file does not contain a valid library
Specified folder/zip file does not contain a valid library

so if any one has one that would work please help

Hi

You get that error from all of them? Did you follow the link trail through to github for the latest Time library? github.com/PaulStoffregen/Time

Cheers!
Geoff

Your folder name must be the same as the library files .h and .cpp
https://learn.sparkfun.com/tutorials/installing-an-arduino-library