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Environment day

International Sloth Day is coming up.

Tuesday, 20 October 2026

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A week before, the day before and on the day. No account, nothing else.

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About International Sloth Day

International Sloth Day is marked on 20 October each year. It’s one of the environmental days listed on Wikipedia.

In 2026 it falls on a Tuesday; in 2027 it’s on Wednesday 20 October, and in 2028 on Friday 20 October. Also in October 2026: National Brandied Fruit Day (20 Oct), Arbor Day (Czechia) (20 Oct) and White House Astronomy Night (20 Oct). From this page you can add it to your calendar, get an email before it, share the countdown, or show it full screen.

How we work out the date
It’s on 20 October every year.
Sources

Page updated 5 November 2026. Report a wrong date

Dates

YearDate
2026Tuesday, 20 October
2027Wednesday, 20 October
2028Friday, 20 October
2029Saturday, 20 October
2030Sunday, 20 October
2031Monday, 20 October
2032Wednesday, 20 October
2033Thursday, 20 October
2034Friday, 20 October
2035Saturday, 20 October

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