'Dubai, Qatar, Bahrain' - Rough Guide 2004.
Hijra Day. Muslim New Year.
February 26th: Environment Day.
March: Doha culture festival.
September/October: Month of Ramadan.
October: Eid el-Fitr. Celebrations for the end of Ramadan.
December: Eid el-Adha. Feast of Sacrifice. Commemoration of Abraham's sacrifice.
Note that dates change year on year because of the Muslim lunar calendar not being synchronised with our Gregorian solar calendar.