A celebration of the beginning of the year in the Gregorian calendar, associated with rest, family gatherings, fireworks, festive meals, and exchanging good wishes.

The day in Tanzania marks the 1964 revolution that overthrew the Sultan of Zanzibar and led to the union with Tanganyika.

Important religious holiday celebrated by Muslims worldwide that marks the end of Ramadan, the Islamic holy month of fasting (sawm).

The day in Tanzania commemorates the assassination of Abeid Amani Karume (1905–1972), the first president of Zanzibar.

The Friday of Holy Week, dedicated to remembering the trial, crucifixion, suffering, death of Jesus Christ, and His burial after being taken down from the cross.

A holiday observed on the day after Easter Sunday, associated with rest, family time, outdoor picnics, egg rolling games, and in some regions - such as Central and Eastern Europe - playful water-splashing customs.

The day in Tanzania commemorates the union of Tanganyika and Zanzibar to form the United Republic of Tanzania on April 26, 1964.

A holiday observed on May 1st to recognize workers and labor rights, with historical origins in late 19th-century labor demonstrations.

One of the most important Islamic holidays, it honors the willingness of Ibrahim (Abraham) to sacrifice his son, as an act of obedience to God's command. Begins on the tenth day of the Islamic month Dhu'l-Hijjah

The day in Tanzania commemorates the founding of the Tanganyika African National Union (TANU) on July 7, 1954, which played a key role in the independence movement.

The day, known as Nane Nane in Swahili, was initiated by the Tanzanian government to celebrate farmers and promote agricultural innovation on August 8 each year.

Traditional commemoration of the birth of Muhammad, falls on 12 Rabi' al-awwal

The day in Tanzania commemorates Julius Nyerere (1922–1999), the country's first president and a leader of African socialism and independence.

The day in Tanzania marks the adoption of the republican constitution on December 9, 1962.

Christian feast day that celebrates the birth of Jesus Christ.

A continuation of the Christmas celebration, marked by family time, rest, and traditions of giving, also known in many countries as Boxing Day, Second Day of Christmas, Saint Stephen’s Day, or the Day of Goodwill