I need to calculate the date of the first day in a calendar week given a year/week, e.g.
Week 53 in 2009 -> Mon, 28.12.2009
Week 1 in 2010 -> Mon, 04.01.2010
How would you wirte that code?
PS: In the Gregorian calendar the first week of a year is the first week with 4 days.
If you don t want to do all the calculation yourself, use the System.Globalization.Calendar class. I think you can use the GetDayOfYear() method to get what you need.
Check this MSDN library for the example.
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