diff --git a/basic/calendar.go b/basic/calendar.go index c3647e5..40917b6 100644 --- a/basic/calendar.go +++ b/basic/calendar.go @@ -197,10 +197,14 @@ func JDE2Date(JD float64) time.Time { Days = math.Floor(Days) tz, _ := time.LoadLocation("Local") dates := time.Date(int(Years), time.Month(int(Months)), int(Days), 0, 0, 0, 0, tz) - dates = time.Unix(dates.Unix()+int64(tms), int64((tms-math.Floor(tms))*1000000000)) - return dates + return time.Unix(dates.Unix()+int64(tms), int64((tms-math.Floor(tms))*1000000000)) } +// JDE2DateByZone JDE（儒略日）转日期 +// JD: 儒略日 +// tz: 目标时区 +// byZone: (true: 传入的儒略日视为目标时区当地时间的儒略日，false: 传入的儒略日视为UTC时间的儒略日) +// 回参：转换后的日期，时区始终为目标时区 func JDE2DateByZone(JD float64, tz *time.Location, byZone bool) time.Time { JD = JD + 0.5 Z := float64(int(JD)) @@ -231,12 +235,12 @@ func JDE2DateByZone(JD float64, tz *time.Location, byZone bool) time.Time { } tms := (Days - math.Floor(Days)) * 24 * 3600 Days = math.Floor(Days) + var transTz = tz if !byZone { - dates := time.Date(int(Years), time.Month(int(Months)), int(Days), 0, 0, 0, 0, time.UTC) - return time.Unix(dates.Unix()+int64(tms), int64((tms-math.Floor(tms))*1000000000)).In(tz) + transTz = time.UTC } - dates := time.Date(int(Years), time.Month(int(Months)), int(Days), 0, 0, 0, 0, tz) - return time.Unix(dates.Unix()+int64(tms), int64((tms-math.Floor(tms))*1000000000)) + return time.Date(int(Years), time.Month(int(Months)), int(Days), 0, 0, 0, 0, transTz). + Add(time.Duration(int64(1000000000 * tms))).In(tz) } func GetLunar(year, month, day int, tz float64) (lmonth, lday int, leap bool, result string) { diff --git a/mercury/mercury_test.go b/mercury/mercury_test.go index 44bdbfb..be6a641 100644 --- a/mercury/mercury_test.go +++ b/mercury/mercury_test.go @@ -7,8 +7,20 @@ import ( ) func TestMercury(t *testing.T) { - date := time.Now().Add(time.Hour * -24) - fmt.Println(CulminationTime(date, 115)) - fmt.Println(RiseTime(date, 115, 23, 0, false)) - fmt.Println(DownTime(date, 115, 23, 0, false)) + tz := time.FixedZone("CST", 8*3600) + date := time.Date(2022, 01, 20, 00, 00, 00, 00, tz) + if NextConjunction(date).Unix() != 1642933683 { + t.Fatal(NextConjunction(date).Unix()) + } + if CulminationTime(date, 115).Unix() != 1642654651 { + t.Fatal(CulminationTime(date, 115).Unix()) + } + date, err := (RiseTime(date, 115, 40, 0, false)) + if err != nil { + t.Fatal(err) + } + if date.Unix() != 1642636481 { + t.Fatal(date.Unix()) + } + fmt.Println(DownTime(date, 115, 40, 0, false)) } diff --git a/moon/moon.go b/moon/moon.go index 5c96c5c..b810112 100644 --- a/moon/moon.go +++ b/moon/moon.go @@ -209,11 +209,14 @@ func Phase(date time.Time) float64 { } // ShuoYue 朔月 +// 返回Date对应UTC世界时的月相大小 func ShuoYue(year float64) time.Time { jde := basic.TD2UT(basic.CalcMoonSH(year, 0), false) return basic.JDE2DateByZone(jde, time.UTC, false) } +// NextShuoYue 下次朔月时间 +// 返回date之后的下一个朔月时间（UTC时间） func NextShuoYue(date time.Time) time.Time { return nextMoonPhase(date, 0) } diff --git a/moon/moon_test.go b/moon/moon_test.go index 7b1a30e..a6e2c88 100644 --- a/moon/moon_test.go +++ b/moon/moon_test.go @@ -13,38 +13,38 @@ func Test_MoonPhaseDate(t *testing.T) { //指定日期后的下一个朔月 moonPhase01 := NextShuoYue(date) fmt.Println("下一朔月", moonPhase01) - if moonPhase01.Unix() != 1643694349 { - t.Fatal(moonPhase01) + if moonPhase01.Unix() != 1643694356 { + t.Fatal(moonPhase01.Unix()) } //指定日期后的上一个朔月 moonPhase01 = LastShuoYue(date) fmt.Println("上一朔月", moonPhase01) - if moonPhase01.Unix() != 1641148399 { - t.Fatal(moonPhase01) + if moonPhase01.Unix() != 1641148406 { + t.Fatal(moonPhase01.Unix()) } //离指定日期最近的朔月 moonPhase01 = ClosestShuoYue(date) fmt.Println("最近朔月", moonPhase01) - if moonPhase01.Unix() != 1643694349 { - t.Fatal(moonPhase01) + if moonPhase01.Unix() != 1643694356 { + t.Fatal(moonPhase01.Unix()) } //离指定日期最近的望月时间 moonPhase01 = ClosestWangYue(date) fmt.Println("最近望月", moonPhase01) - if moonPhase01.Unix() != 1642463294 { - t.Fatal(moonPhase01) + if moonPhase01.Unix() != 1642463301 { + t.Fatal(moonPhase01.Unix()) } //离指定日期最近的上弦月时间 moonPhase01 = ClosestShangXianYue(date) fmt.Println("最近上弦月", moonPhase01) - if moonPhase01.Unix() != 1641751864 { - t.Fatal(moonPhase01) + if moonPhase01.Unix() != 1641751871 { + t.Fatal(moonPhase01.Unix()) } //离指定日期最近的下弦月时间 moonPhase01 = ClosestXiaXianYue(date) fmt.Println("最近下弦月", moonPhase01) - if moonPhase01.Unix() != 1643118043 { - t.Fatal(moonPhase01) + if moonPhase01.Unix() != 1643118050 { + t.Fatal(moonPhase01.Unix()) } //------------------- for i := 0; i < 26; i++ { @@ -52,10 +52,3 @@ func Test_MoonPhaseDate(t *testing.T) { fmt.Println("上一朔月", moonPhase01) } } - -func TestMoon(t *testing.T) { - now := time.Now() - fmt.Println(RiseTime(now, 115, 40, 0, true)) - fmt.Println(CulminationTime(now, 115, 40)) - fmt.Println(DownTime(now, 115, 40, 0, true)) -} diff --git a/neptune/neptune_test.go b/neptune/neptune_test.go index 0039bd6..506b33c 100644 --- a/neptune/neptune_test.go +++ b/neptune/neptune_test.go @@ -7,8 +7,20 @@ import ( ) func TestNeptune(t *testing.T) { - date := time.Now().Add(time.Hour * -24) - fmt.Println(CulminationTime(date, 115)) - fmt.Println(RiseTime(date, 115, 23, 0, false)) - fmt.Println(DownTime(date, 115, 23, 0, false)) + tz := time.FixedZone("CST", 8*3600) + date := time.Date(2022, 01, 20, 00, 00, 00, 00, tz) + if NextConjunction(date).Unix() != 1647171796 { + t.Fatal(NextConjunction(date).Unix()) + } + if CulminationTime(date, 115).Unix() != 1642665021 { + t.Fatal(CulminationTime(date, 115).Unix()) + } + date, err := (RiseTime(date, 115, 40, 0, false)) + if err != nil { + t.Fatal(err) + } + if date.Unix() != 1642644398 { + t.Fatal(date.Unix()) + } + fmt.Println(DownTime(date, 115, 40, 0, false)) } diff --git a/sun/sun.go b/sun/sun.go index 222f02e..d3f95dd 100644 --- a/sun/sun.go +++ b/sun/sun.go @@ -2,7 +2,6 @@ package sun import ( "errors" - "math" "time" "b612.me/astro/basic" @@ -38,9 +37,11 @@ func RiseTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, e if date.Hour() > 12 { date = date.Add(time.Hour * -12) } + //忽略时区的字面量时间 jde := basic.Date2JDE(date) _, loc := date.Zone() timezone := float64(loc) / 3600.0 + //risedate 时区修正后的时间，转换应当包括时区 riseJde := basic.GetSunRiseTime(jde, lon, lat, timezone, aeroFloat, height) if riseJde == -2 { err = ERR_SUN_NEVER_RISE @@ -80,7 +81,7 @@ func DownTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, e } // MorningTwilight 晨朦影 -// date，当地时区日期 +// date，当地时区日期，返回的时间时区与此参数中的时区一致 // lon，经度，东正西负 // lat，纬度，北正南负 // angle，朦影角度：可选-6 -12 -18(民用、航海、天文) @@ -99,11 +100,11 @@ func MorningTwilight(date time.Time, lon, lat, angle float64) (time.Time, error) if calcJde == -1 { err = ERR_TWILIGHT_NOT_EXISTS } - return basic.JDE2Date(calcJde), err + return basic.JDE2DateByZone(calcJde, date.Location(), true), err } // EveningTwilight 昏朦影 -// date，当地时区日期 +// date，当地时区日期，返回的时间时区与此参数中的时区一致 // lon，经度，东正西负 // lat，纬度，北正南负 // angle，朦影角度：可选-6 -12 -18(民用、航海、天文) @@ -123,7 +124,7 @@ func EveningTwilight(date time.Time, lon, lat, angle float64) (time.Time, error) if calcJde == -1 { err = ERR_TWILIGHT_NOT_EXISTS } - return basic.JDE2Date(calcJde), err + return basic.JDE2DateByZone(calcJde, date.Location(), true), err } // EclipticObliquity 黄赤交角 @@ -256,10 +257,7 @@ func Zenith(date time.Time, lon, lat float64) float64 { // CulminationTime 太阳中天时间 // 返回给定经纬度、对应date时区date时刻的太阳中天日期 func CulminationTime(date time.Time, lon float64) time.Time { - jde := basic.Date2JDE(date) - if jde-math.Floor(jde) > 0.5 { - jde++ - } + jde := basic.Date2JDE(date.Add(time.Duration(-1*date.Hour())*time.Hour)) + 0.5 _, loc := date.Zone() timezone := float64(loc) / 3600.0 calcJde := basic.GetSunTZTime(jde, lon, timezone) - timezone/24.00 diff --git a/sun/sun_test.go b/sun/sun_test.go index 95b87e8..196e232 100644 --- a/sun/sun_test.go +++ b/sun/sun_test.go @@ -7,8 +7,23 @@ import ( ) func TestSun(t *testing.T) { - now := time.Now() - fmt.Println(RiseTime(now, 115, 40, 0, true)) + ja, err := time.LoadLocation("Asia/Tokyo") + if err != nil { + t.Fatal(err) + } + now, err := time.ParseInLocation("2006-01-02 15:04:05", "2020-01-01 00:00:00", ja) + if err != nil { + t.Fatal(err) + } + d, err := RiseTime(now, 115, 40, 0, true) + if err != nil { + t.Fatal(err) + } + if d.Format("2006-01-02 15:04:05") != "2020-01-01 08:41:45" { + t.Fatal(d.Format("2006-01-02 15:04:05")) + } fmt.Println(CulminationTime(now, 115)) fmt.Println(DownTime(now, 115, 40, 0, true)) + fmt.Println(MorningTwilight(now, 115, 40, -6)) + fmt.Println(EveningTwilight(now, 115, 40, -6)) }