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- Public Function getjq(yy As Integer, mm As Integer)
- v0 = 628.3319653318
- '第1步迭代
- t = 0
- L0 = (48650621.66 + 6283319653.318 * t) / 10 ^ 7
- 'W指的是太阳黄经。1999年春分对应W=0,以后每W每增加15度对应下一个节气。
- W = (mm - 5 + (yy - 1999) * 24) * 15 * 3.1415926 / 180
- '第2步迭代
- t = t + (W - L0) / v0
- t2 = t * t
- l1 = (48950621.66 + 6283319653.318 * t + 53 * t2 _
- + 334116 * Cos(4.67 + 628.307585 * t) + 2061 * Cos(2.678 + 628.3076 * t) * t) / 10 ^ 7
- v1 = 628.332 + 21 * Sin(1.527 + 628.307585 * t)
- '第3步迭代
- t = t + (W - l1) / v1
- t2 = t * t
- t3 = t2 * t
- t4 = t3 * t
- L2 = (48950621.66 + 6283319653.318 * t + 52.9674 * t2 + 0.00432 * t3 - 0.001124 * t4 _
- + 334166 * Cos(4.669257 + 628.307585 * t) + 3489 * Cos(4.6261 + 1256.61517 * t) _
- + 350 * Cos(2.744 + 575.3385 * t) + 342 * Cos(2.829 + 0.3523 * t) _
- + 314 * Cos(3.628 + 7771.3771 * t) + 268 * Cos(4.418 + 786.0419 * t) _
- + 234 * Cos(6.135 + 393.021 * t) + 132 * Cos(0.742 + 1150.677 * t) _
- + 127 * Cos(2.037 + 52.9691 * t) + 120 * Cos(1.11 + 157.7344 * t) _
- + 99 * Cos(5.23 + 588.493 * t) + 90 * Cos(2.05 + 2.63 * t) _
- + 86 * Cos(3.51 + 39.815 * t) + 78 * Cos(1.18 + 522.369 * t) _
- + 75 * Cos(2.53 + 550.755 * t) + 51 * Cos(4.58 + 1884.923 * t) _
- + 49 * Cos(4.21 + 77.552 * t) + 36 * Cos(2.92 + 0.07 * t) _
- + 32 * Cos(5.85 + 1179.063 * t) + 28 * Cos(1.9 + 79.63 * t) _
- + 27 * Cos(0.31 + 1097.71 * t) + 2060.6 * Cos(2.67823 + 628.307585 * t) * t _
- + 43 * Cos(2.635 + 1256.6152 * t) * t + 8.72 * Cos(1.072 + 628.3076 * t) * t2 _
- - 994 - 834 * Sin(2.1824 - 33.75705 * t) _
- - 64 * Sin(3.5069 + 1256.66393 * t)) / 10 ^ 7
-
- '第4步迭代
- t = t + (W - L2) / v1
- J2000 = 2451545
- '地球自转修正项 需完善
- JD = J2000 + t * 36525 - (64.7 + (yy - 2005) * 0.4) / 86400 + 8 / 24
- '转换日期
- Z = Int(JD + 0.5)
- F = JD + 0.5 - Z
- a0 = Int((Z - 1867216.25) / 36524.25)
- If Z < 2299161 Then
- A = Z
- Else
- A = Z + 1 + a0 - Int(a0 / 4)
- End If
- B = A + 1524
- C = Int((B - 122.1) / 365.25)
- d = Int(365.25 * C)
- E = Int((B - d) / 30.6001)
- ''''
- d1 = B - d - Int(30.6001 * E) + F
- If E < 14 Then
- m1 = E - 1
- Else
- m1 = E - 13
- End If
- If m1 > 2 Then
- y1 = C - 4716
- Else
- y1 = C - 4715
- End If
- d2 = Int((d1 - Int(d1)) * 86400)
- hh1 = Int(d2 / 3600)
- mm1 = Round(((d2 - hh1 * 3600) / 60), 0)
- 'ss1 = d2 - hh1 * 3600 - mm1 * 60
- If mm1 < 10 Then mm1 = "0" & mm1
- getjq = y1 & "-" & m1 & "-" & Int(d1) & " " & hh1 & ":" & mm1
- End Function
复制代码
计算节气时间是制作一份合格日历的必要条件,找到如上代码,简单调试后可以正常运行了。
自定义函数 =getjq (年份,节气序号) ,精度为分钟,详见附件。
24节气公式.zip
(18.94 KB, 下载次数: 906)
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