World Science Day for Peace and Development 2026 in São Tomé and Príncipe is observed on terça-feira, 10 novembro 2026.
World Science Day for Peace and Development is a public holiday in São Tomé and Príncipe. This page collects the date for each year, plus other holidays in the country's calendar.
World Science Day for Peace and Development is officially observed as a public holiday in São Tomé and Príncipe. We are building out a longer history & traditions section for this holiday. In the meantime, the calendar below shows World Science Day for Peace and Development's date across multiple years and how it interacts with the country's long-weekend opportunities.
World Science Day for Peace and Development observance varies by community and region within São Tomé and Príncipe. Government offices, banks, and schools are typically closed.
World Science Day for Peace and Development 2026 in São Tomé and Príncipe is observed on terça-feira, 10 novembro 2026.
No. World Science Day for Peace and Development is marked in São Tomé and Príncipe as a widely observed day, but it is not an official public holiday — workplaces and schools stay open.
The countdown above shows the exact days, hours and minutes remaining. The year-by-year list below has World Science Day for Peace and Development's date in the surrounding years.