SQL Query to find the last day of the month

Question

I need to find the last day of a month in the following format:

\"2013-05-31 00:00:00:000\"

Anybody please help out.

Answer 1

dateadd(month,1+datediff(month,0,getdate()),-1)

To check run:

print dateadd(month,1+datediff(month,0,@date),-1)