Below are the dates for, among others, Cinco de Mayo 2012 and Cinco de Mayo 2013.
You can also see on which day the holiday falls and how many days it is until this holiday.

Holiday	Date		Week number	Number of days to go
Cinco de Mayo 2012	May 5, 2012	Saturday	18	91
Cinco de Mayo 2013	May 5, 2013	Sunday	19	456
Cinco de Mayo 2014	May 5, 2014	Monday	19	821
Cinco de Mayo 2015	May 5, 2015	Tuesday	19	1186
Cinco de Mayo 2016	May 5, 2016	Thursday	18	1552
Cinco de Mayo 2017	May 5, 2017	Friday	18	1917
Cinco de Mayo 2018	May 5, 2018	Saturday	18	2282
Cinco de Mayo 2019	May 5, 2019	Sunday	19	2647
Cinco de Mayo 2020	May 5, 2020	Tuesday	19	3013
Cinco de Mayo 2021	May 5, 2021	Wednesday	18	3378
Cinco de Mayo 2022	May 5, 2022	Thursday	18	3743

See besides 'Cinco de Mayo' even more holidays, click on one of the links below.
2012 Holidays   •   2013 Holidays   •   2014 Holidays   •   2015 Holidays

See also the 2012 Calendar.