蟒蛇的问题：今年，日的今年迄今为止?

Question

我有一年的价值和一个一天的年和将来的日期(日/月/年)。

在此先感谢。:)

Answer 1

datetime.datetime(year, 1, 1) + datetime.timedelta(days - 1)

Answer 2

>>> import datetime
>>> datetime.datetime.strptime('2010 120', '%Y %j')
datetime.datetime(2010, 4, 30, 0, 0)
>>> _.strftime('%d/%m/%Y')
'30/04/2010'

Answer 3

的 toordinal() 和 fromordinal() 功能 date 类可以用于：

from datetime import date
date.fromordinal(date(year, 1, 1).toordinal() + days - 1)

Answer 4

>>>import datetime
>>>year = int(input())
>>>month = int(input())
>>>day = int(input())
data = datetime.datetime(year,month,day)
daynew = data.toordinal()
yearstart = datetime.datetime(year,1,1)
day_yearstart = yearstart.toordinal()
print ((daynew-day_yearstart)+1)