DwmSunriseSunset.hh File Reference

Sunrise, Sunset and IsDaytime prototypes. More...

#include "DwmTimeValue64.hh"

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Functions
TimeValue64	Dwm::Sunrise (double latitude, double longitude, time_t t)
	Returns the time of sunrise for the given latitude and longitude on the day that includes time t.
TimeValue64	Dwm::Sunset (double latitude, double longitude, time_t t)
	Returns the time of sunset for the given latitude and longitude on the day that includes time t.
bool	Dwm::IsDaytime (double latitude, double longitude, time_t t)
	Returns true if the given time t at (latitude, longitude) is while the sun is up.

Detailed Description

Sunrise, Sunset and IsDaytime prototypes.

Function Documentation

Sunrise()

TimeValue64 Dwm::Sunrise	(	double	latitude,
		double	longitude,
		time_t	t )

Returns the time of sunrise for the given latitude and longitude on the day that includes time t.

Note this uses the local timezone, and hence is intended to be used where (latitude,longitude) is in the local timezone.

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Sunset()

TimeValue64 Dwm::Sunset	(	double	latitude,
		double	longitude,
		time_t	t )

Returns the time of sunset for the given latitude and longitude on the day that includes time t.

Note this uses the local timezone, and hence is intended to be used where (latitude,longitude) is in the local timezone.

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