http://www.alwatanyah.com.qa/qatar/fact.php

".... Besides these two religious celebrations there are two other fixed holidays: Accession Day and Independence Day.

Public Holidays - 2006
Eid at Adha Jan 10 Moon
Accession Day June 27 Fixed
Independence Day Sep 3 Fixed
Eid at Fitr Nov 3 Moon

... blah blah etc"

I know it says 2006, but ....