When Is World Ranger Day 2024. Rangers play a vital role in biodiversity. World ranger day is observed annually on the 31st of july and is celebrated by the international ranger federation’s (irf’s) member associations, the thin green line.

They come from big cities, small villages and indigenous communities. On july 31st, the world unites to commemorate world ranger day, a day dedicated to honoring the courageous park rangers who have been injured or lost their lives in the line of duty, and to.