Earth Hour 2026 in São Tomé and Príncipe is observed on sábado, 28 março 2026.
Earth Hour 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.
Earth Hour 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 Earth Hour's date across multiple years and how it interacts with the country's long-weekend opportunities.
Earth Hour observance varies by community and region within São Tomé and Príncipe. Government offices, banks, and schools are typically closed.
Earth Hour 2026 in São Tomé and Príncipe is observed on sábado, 28 março 2026.
No. Earth Hour 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 Earth Hour's date in the surrounding years.