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equation_of_time

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Defined in: ephemeris.rs:89

fn equation_of_time(epoch: &Epoch) -> f64

Equation of Time [hours].

Returns apparent_solar_time - mean_solar_time. Positive means the apparent Sun is ahead of the mean Sun.

Range: approximately -0.27 to +0.27 hours (-16 to +16 minutes).

Reference: Meeus, “Astronomical Algorithms”, Chapter 28.