31 hour countdown timer

[leebird]

Hello,

Does anyone know how to create a countdown timer that counts down to 31 hours?
I've tried using several applications and VBA but now I'll settle for a simple countdown.

Thank you very much

[newdoverman]

Here is a link to a video on the creation of a countdown timer for excel
https://www.youtube.com/watch?v=sbJeGG_Xv8M