Date of first Friday of next month

from the Artful Common Queries page

Assuming a calendar table calendar(date DATE) with one row per date through the relevant period... 
SET @d = NOW();
SELECT MIN(date) AS 1stFridayOfMonth
FROM calendar 
WHERE YEAR(date) = IF( MONTH(@d) = 12, 1+YEAR(@d), YEAR(@d) )
  AND MONTH(date) = IF( MONTH(@d) = 12, 1, MONTH(@d) + 1 )
  AND WEEKDAY(date)=4;

Last updated 22 May 2009