Template:Weekday in month

Raw formula: 7 * Q - 6 + (N - DoW(Year,Month,1)) % 7

Parameters:

year
month
N=weekday: 0=Sunday, ... 6=Saturday
Q=1 for first N-day, 2 for second, etc... or -1 for last N-day, -2 for second to last, etc...

Holiday	2006	2007	2008	2009	2010
MLK Jr Day -- 3rd Monday in January	Jan 16 = 16	Jan 15 = 15	Jan 21 = 21	Jan 19 = 19	Jan 18 = 18
Presidents Day -- 3rd Monday in February	Feb 20 = 20	Feb 19 = 19	Feb 18 = 18	Feb 16 = 16	Feb 15 = 15
Mothers Day -- 2nd Sunday in May	May 14 = 14	May 13 = 13	May 11 = 11	May 10 = 10	May 9 = 9
Memorial Day -- Last Monday in May	May 29 = 29	May 28 = 28	May 26 = 26	May 25 = 25	May 31 = 31
Fathers Day -- 3rd Sunday in June	Jun 18 = 18	Jun 17 = 17	Jun 15 = 15	Jun 21 = 21	Jun 20 = 20
Labor Day -- 1st Monday in September	Sep 4 = 4	Sep 3 = 3	Sep 1 = 1	Sep 7 = 7	Sep 6 = 6
Columbus Day -- 2nd Monday in October	Oct 9 = 9	Oct 8 = 8	Oct 13 = 13	Oct 12 = 12	Oct 11 = 11
Thanksgiving -- 4th Thursday in November	Nov 23 = 23	Nov 22 = 22	Nov 27 = 27	Nov 26 = 26	Nov 25 = 25

See also