São Tomé and Príncipe information Population: 219,161 Capital: São Tomé Calling Code: (239) Time Zone: 0 UTC Currency: São Tomé and Príncipe dobra Language: Portuguese List of National Holidays in São Tomé and Príncipe in 2025 Wednesday January 1st New Year's Day (Ano Novo) São Tomé and Príncipe: New Year's Day is a public holiday in all countries that observe the Gregorian calendar, with the exception of Israel Monday February 3rd Martyrs Day (Dia dos Mártires) São Tomé and Príncipe: Commemorates the Batepá massacre that took place on February 3rd 1953 in São Tomé when hundreds of native creoles were massacred by the colonial administration and Portuguese landowners. Friday April 18th Good Friday (Boa sexta-feira) São Tomé and Príncipe: Good Friday occurs on the Friday before Easter. The day commemorates the Crucifixion of Jesus. Thursday May 1st Labour Day (Dia do trabalhador) São Tomé and Príncipe: This holiday is most commonly associated as a commemoration of the achievements of the labour movement Saturday July 12th Independence Day (Dia da Independência) São Tomé and Príncipe: Marks São Tomé and Príncipe's independence from Portugal on this day in 1975. Saturday September 6th Armed Forces Day (Dia das Forças Armadas) São Tomé and Príncipe: The main initiative that marks Armed Forces day is the swearing-in act of new recruits to the army. Tuesday September 30th Agricultural Reform Day (Dia da Reforma Agrária) São Tomé and Príncipe: Marks the nationalisation of agricultural land on September 30th 1975. Sunday December 21st São Tomé Day (Dia de São Tomé) São Tomé and Príncipe: Commemorates the arrival of the first Europeans to São Tomé on December 21st 1471. Thursday December 25th Christmas Day (Natal) São Tomé and Príncipe: Christmas celebrates the Nativity of Jesus which according to tradition took place on December 25th 1 BC