International Day for Biosphere Reserves 2025

International Day for Biosphere Reserves promotes the conservation and sustainable use of ecosystems through UNESCO’s biosphere reserve network.

Frequently asked questions

When is International Day for Biosphere Reserves 2025?

International Day for Biosphere Reserves 2025 is on Monday, 3 November 2025.

What day of the week is International Day for Biosphere Reserves 2025?

It falls on Monday.

How is International Day for Biosphere Reserves calculated?

This event is observed every year on 3 November.