Moon Today

This program shows a month phase.
When selects a date, the state of month is visible
When modifies datepicker, month phase is modified.
Today is a full moon, wants to know ?
Then try to run a program.
Knowing the state of month, respects tracks the location of the sun and month at real-time.
Is a full moon with location data of the sun and month, grasps a yes or no, shows