| Extracted from Pike v7.8 release 866 at 2016-04-05.

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Calendar
Calendar.Event
Calendar.Event.Day_Event

# Method Calendar.Event.Day_Event()->scan_jd()

Method scan_jd

  `int scan_jd(Calendar.Calendar realm, int jd, int(-1..-1)|int(1..1) direction)`

Description

  These methods has to be defined, and is what really does some work. It should return the next or previos julian day (>jd) when the event occurs, or the constant NODAY if it doesn't.

Parameter `direction`

  `1` | Forward (next),
  `-1` | Backward (previous).