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cloudbase.mooo.com Git - z180-stamp.git/blob - time/sun_set.c
2 * (c)2012 Michael Duane Rice All rights reserved.
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29 /* $Id: sun_set.c 2365 2013-04-27 15:32:59Z swfltek $ */
32 Return the approximate time of sun set.
38 sun_set(const time_t * timer
)
43 /* sunset is 1/2 'day' after solar noon */
44 t
= solar_noon(timer
);
45 n
= daylight_seconds(timer
) / 2L;