Function practical_astronomy_rust::macros::e_twilight

source · 
pub fn e_twilight(
    ld: f64,
    lm: u32,
    ly: u32,
    ds: i32,
    zc: i32,
    gl: f64,
    gp: f64,
    tt: &TwilightType
) -> String
Expand description

Twilight calculation status.

Twilight type can be one of “C” (civil), “N” (nautical), or “A” (astronomical).

Original macro name: eTwilight

§Returns

One of: “OK”, “** lasts all night”, or “** Sun too far below horizon”