How often does month day and year match example 10 10 2010?

Answer 1

Twelve times in a millennium.

1 January xy01

2 February xy02

3 March xy03

4 Apri xy04

5 May xy05

6 June xy06

7 July xy07

8 August xy08

9 September xy09

10 October xy10

11 November xy11

12 December xy12

where xy is a 2-digit number (currently 20). Then wait until the next xy, in the 22nd Century.