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Fixed problem in Python MakeTime() function.y

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Don Cross
2019-06-23 17:10:58 -04:00
parent 2a97849af2
commit 35017483cb
5 changed files with 49 additions and 26 deletions
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18
source/python/astronomy.py
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@@ -257,20 +257,12 @@ class astro_time_t:
_EPOCH = datetime.datetime(2000, 1, 1, 12)
def CurrentTime():
now = datetime.datetime.utcnow()
dt = now - _EPOCH
ut = dt.total_seconds() / 86400.0
ut = (datetime.datetime.utcnow() - _EPOCH).total_seconds() / 86400.0
return astro_time_t(ut)
def MakeTime(year, month, day, hour, minute, second):
# This formula is adapted from NOVAS C 3.1 function julian_date().
jd12h = (
day - 32075 + 1461 * (year + 4800
+ (month - 14) / 12) / 4
+ 367 * (month - 2 - (month - 14) / 12 * 12)
/ 12 - 3 * ((year + 4900 + (month - 14) / 12)
/ 100) / 4)
y2000 = jd12h - 2451545
ut = y2000 - 0.5 + (hour / 24.0) + (minute / (24.0 * 60.0)) + (second / (24.0 * 3600.0))
micro = round((second % 1) * 1000000)
second = math.floor(second - micro/1000000)
d = datetime.datetime(year, month, day, hour, minute, second, micro)
ut = (d - _EPOCH).total_seconds() / 86400
return astro_time_t(ut)