For tax purposes, it is good to know where you stay.
This is a calendar that help you decide how much time you can stay in each state in order to do your taxes in the most favorable one.
A typical situation would be a business person travelling between Nevada and California. You want to know that you have spent more days in Nevada - for tax purposes.
IncParadise - Starting business? We incorporate in Nevada and all other U.S.A. states.