Python程式設計：dateutil子產品實作月份相加減

文檔： http://labix.org/python-dateutil pypi: https://pypi.org/project/python-dateutil/

安裝

pip install python-dateutil      

代碼示例

from datetime import datetime, date
from dateutil.relativedelta import relativedelta

now = datetime.now()
print(now)
print(now - relativedelta(months=3))
"""
2019-01-09 18:13:28.791192
2018-10-09 18:13:28.791192
"""

today = date.today()
print(today)
print(today - relativedelta(months=3))

"""
2019-01-09
2018-10-09
"""      

參考：

1. python 時間處理之月份加減
2. Python 月份加減