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A Chinese Calendar Library in Pure Python

author LI Daobing
author_email lidaobing@gmail.com
classifiers
  • Development Status :: 4 - Beta
  • Programming Language :: Python
  • License :: OSI Approved :: GNU General Public License (GPL)
  • Operating System :: OS Independent
  • Topic :: Software Development :: Libraries :: Python Modules
license GPLv3
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lunardate-0.2.0-py2-none-any.whl
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7 KB
Type
Python Wheel
Python
2
lunardate-0.2.0-py3-none-any.whl
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5 KB
Type
Python Wheel
Python
3

Chinese Calendar: http://en.wikipedia.org/wiki/Chinese_calendar

Usage

>>> LunarDate.fromSolarDate(1976, 10, 1)
LunarDate(1976, 8, 8, 1)
>>> LunarDate(1976, 8, 8, 1).toSolarDate()
datetime.date(1976, 10, 1)
>>> LunarDate(1976, 8, 8, 1).year
1976
>>> LunarDate(1976, 8, 8, 1).month
8
>>> LunarDate(1976, 8, 8, 1).day
8
>>> LunarDate(1976, 8, 8, 1).isLeapMonth
True

>>> today = LunarDate.today()
>>> type(today).__name__
'LunarDate'

>>> # support '+' and '-' between datetime.date and datetime.timedelta
>>> ld = LunarDate(1976,8,8)
>>> sd = datetime.date(2008,1,1)
>>> td = datetime.timedelta(days=10)
>>> ld-ld
datetime.timedelta(0)
>>> (ld-sd).days
-11444
>>> ld-td
LunarDate(1976, 7, 27, 0)
>>> (sd-ld).days
11444
>>> ld+td
LunarDate(1976, 8, 18, 0)
>>> td+ld
LunarDate(1976, 8, 18, 0)
>>> ld2 = LunarDate.today()
>>> ld < ld2
True
>>> ld <= ld2
True
>>> ld > ld2
False
>>> ld >= ld2
False
>>> ld == ld2
False
>>> ld != ld2
True
>>> ld == ld
True
>>> LunarDate.today() == LunarDate.today()
True
>>> before_leap_month = LunarDate.fromSolarDate(2088, 5, 17)
>>> before_leap_month.year
2088
>>> before_leap_month.month
4
>>> before_leap_month.day
27
>>> before_leap_month.isLeapMonth
False
>>> leap_month = LunarDate.fromSolarDate(2088, 6, 17)
>>> leap_month.year
2088
>>> leap_month.month
4
>>> leap_month.day
28
>>> leap_month.isLeapMonth
True
>>> after_leap_month = LunarDate.fromSolarDate(2088, 7, 17)
>>> after_leap_month.year
2088
>>> after_leap_month.month
5
>>> after_leap_month.day
29
>>> after_leap_month.isLeapMonth
False

Limits

this library can only deal with year from 1900 to 2099 (in chinese calendar).

See also