solar-calendar-events

A Rust library designed to calculate equinoxes and solstices for a given year within the range 1900-2100. The accuracy is within a few minutes.

Example usage:

let march_equinox_2003 = MarchEquinox::new(2003);
println!("{:#?}", march_equinox_2003);
// Some(
//    MarchEquinox {
//        year: 2003,
//        julian_day: Some(
//            2452719.536962585,
//        ),
//        date_time: Some(
//            2003-03-21 0:53:13.0 +00:00:00,
//        ),
//    },
//)