Tanzania Traditions

Festive and official weekend in Tanzania generally unchanged each year. If any of the following holidays falls on a Saturday or Sunday, then the next day, Monday, as the output:
New Year - January 1
Zanzibar Revolution Day - January 12
Unification Day - April 26
Workers Day - May 1
Industrial Day - July 7
Peasants Day - August 8
Independence Day - December 9
Christmas Day - December 25
Boxing Day - December 26
Holiday good Friday - according to calendar date
Easter Monday - according to calendar dates
Islamic holidays:
Iddi El Fitry - Day 2: New Moon
Iddi El Haji - Day 1 of the new moon
Maulid Day - Day 1 of the new moon