Datetime in Python
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....