What is Towel Day? Every year on May 25 , fans of Douglas Adams’ iconic sci-fi series The Hitchhiker’s Guide to the Galaxy celebrate Towel Day —an unofficial but beloved geek holiday. The day honors Adams’ legacy by encouraging people to carry a towel as a humorous yet practical tribute to his work. Why a Towel? In The Hitchhiker’s Guide , the towel is described as: "The most massively useful thing an interstellar hitchhiker can carry." Reasons a Towel is Essential (According to the Guide ): ✔ Warmth – Useful on cold moons. ✔ Protection – Can be used as a weapon (if soaked). ✔ Camouflage – Hide under it to avoid Ravenous Bugblatter Beasts. ✔ Psychological Comfort – A sign of a prepared traveler. ✔ Practicality – Works as a sail, distress signal, or makeshift bag. History of Towel Day 2001: Just two weeks after Douglas Adams’ death (May 11, 2001) , fa...