H A D | astro.h | 31 #define timelib_astro_sun_rise_set(ts,lon,lat,hrise,hset,rise,set) \ argument 32 timelib_astro_rise_set_altitude( ts, lon, lat, -35.0/60.0, 1, hrise, hset, rise, set ) 37 #define civil_twilight(ts,lon,lat,start,end) \ argument 38 timelib_astro_rise_set_altitude( ts, lon, lat, -6.0, 0, start, end ) 43 #define nautical_twilight(ts,lon,lat,start,end) \ argument 44 timelib_astro_rise_set_altitude( ts, lon, lat, -12.0, 0, start, end ) 49 #define astronomical_twilight(ts,lon,lat,start,end) \ argument 50 timelib_astro_rise_set_altitude( ts, lon, lat, -18.0, 0, start, end )
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