# Method Calendar.YMD.YMD()->number_of_minutes()

Method number_of_minutes

  ``Second` second()`
  ``Second` second(`int` `n`)`
  ``Minute` minute(`int` `hour`, `int` `minute`, `int` `second`)`
  ``array`(`Second`) seconds()`
  ``array`(`Second`) seconds(`int` `first`, `int` `last`)`
  ```int`` number_of_seconds()`
  ``Minute` minute()`
  ``Minute` minute(`int` `n`)`
  ``Minute` minute(`int` `hour`, `int` `minute`)`
  ``array`(`Minute`) minutes()`
  ``array`(`Minute`) minutes(`int` `first`, `int` `last`)`
  ```int`` number_of_minutes()`
  ``Hour` hour()`
  ``Hour` hour(`int` `n`)`
  ``array`(`Hour`) hours()`
  ``array`(`Hour`) hours(`int` `first`, `int` `last`)`
  ```int`` number_of_hours()`