4/20 2026 is on Monday, 20 April 2026.

How is 4/20 calculated?

This event is observed every year on 20 April.

When is 4/20 2026?

Name: 4/20
Start: 2026-04-20
End: 2026-04-20
Location: Worldwide

Monday, 20 April 2026

4/20, also known as Four Twenty or Cannabis Day, is an informal counterculture observance on 20 April celebrating cannabis culture, advocacy, and community gatherings in many parts of the world.

Also known as

Cannabis Day
Four Twenty Day

Frequently asked questions

When is 4/20 2026?: 4/20 2026 is on Monday, 20 April 2026.
What day of the week is 4/20 2026?: It falls on Monday.
How is 4/20 calculated?: This event is observed every year on 20 April.