Mazingira Day

Mazingira Day in Kenya is the current legal name for October 10. The date was once Moi Day, was omitted from official practice after the 2010 Constitution, restored following a 2017 High Court ruling, and later appeared as Huduma Day and then Utamaduni Day. The Statute Law (Miscellaneous Amendments) Act 2024 renamed Utamaduni Day as Mazingira Day.

The 2024 amendment gave the holiday an environmental purpose, including tree planting and growing, within the national restoration campaign. Planting is only one stage: appropriate species, seedling survival, water, protection of existing ecosystems and community land needs determine whether activity produces lasting conservation. A balanced guide should not equate ceremonial planting alone with ecological success.

Mazingira Day is fixed in Part I on October 10. It falls on Saturday in 2026, and the Act’s Sunday-only substitution rule does not create a holiday on Monday, October 12. Section 4 of the Public Holidays Act substitutes only a Part I holiday that falls on Sunday, using the first succeeding non-holiday; it creates no automatic Monday holiday for a Saturday date and does not extend to the faith-specific days in Parts II and III. Section 5 allows government departments to open and employees to work where another law or agreement provides the applicable pay or time off, so a public holiday is not proof that every service closes.