"JulianDay" shows the number of days since January 1 in the current year with number between 1 and 365(366: Leap-Year).
Example1: January 1th is 001.
Example2: August 28th is 240. In leap years August 27th is 240.
This application does not use a regular calendar, and displays a graphical image of the original in order to grasp the whole.
For example:If the user taps graphical image, the blue mark emerges and the number of days corresponds to its location appears few seconds. The mark is automatically saved, and tapped again, it will disappear.