Conversion from calendar week to date Sometimes one has to convert a date written as year, calendar week (CW), and day of week to an actual date with month and date. The behaviour in the begin/end of a year may be not straightforward. For example according to ISO 8601 monday date of the CW 1 year 2019 is 31 January 2018. As far as I can see there is no standard function for conversion in python....
1 2 3 4 5 import datetime from dateutil.relativedelta import relativedelta your_datetime = datetime.datetime.now() your_datetime + relativedelta(months=1) # adds one month That function clips the overflowing day of the months: 1 2 3 4 5 6 7 8 9 10 >>> datetime(2021, 1, 28) + relativedelta(months=1) datetime.datetime(2021, 2, 28, 0, 0) >>> datetime(2021, 1, 29) + relativedelta(months=1) datetime.datetime(2021, 2, 28, 0, 0) >>> datetime(2021, 1, 30) + relativedelta(months=1) datetime.datetime(2021, 2, 28, 0, 0) >>> datetime(2021, 1, 31) + relativedelta(months=1) datetime....