Bicycle Day 2024

Bicycle Day commemorates the historic 19 April 1943 bicycle ride by Swiss chemist Albert Hofmann, who first experienced the effects of LSD, and is marked each year on 19 April.

Frequently asked questions

When is Bicycle Day 2024?

Bicycle Day 2024 is on Friday, 19 April 2024.

What day of the week is Bicycle Day 2024?

It falls on Friday.

How is Bicycle Day calculated?

This event is observed every year on 19 April.