astro/calendar/astro.go

package calendar

import (
	"time"

	"b612.me/astro/basic"
)

// NowJD 当前时刻儒略日 / current Julian day.
func NowJD() float64 {
	return basic.GetNowJD()
}

// Date2JD 日期转儒略日 / date to Julian day.
func Date2JD(date time.Time) float64 {
	day := float64(date.Day()) + float64(date.Hour())/24.0 + float64(date.Minute())/24.0/60.0 + float64(date.Second())/24.0/3600.0 + float64(date.Nanosecond())/1000000000.0/3600.0/24.0
	return basic.JDCalc(date.Year(), int(date.Month()), day)
}

// JD2Date 儒略日转日期 / Julian day to date.
func JD2Date(jd float64) time.Time {
	return basic.JD2Date(jd)
}