How is International Day of Caves and Karst calculated?

This event is observed every year on 13 September.

When is International Day of Caves and Karst 2637?

Name: International Day of Caves and Karst
Start: 2637-09-13
End: 2637-09-13
Location: Worldwide

Promotes the study and protection of caves and karst landscapes, including their water resources and biodiversity.

Download an iCalendar file for International Day of Caves and Karst and add it to your calendar app.

When is International Day of Caves and Karst 2637?: International Day of Caves and Karst 2637 is on Wednesday, 13 September 2637.
What day of the week is International Day of Caves and Karst 2637?: It falls on Wednesday.
How is International Day of Caves and Karst calculated?: This event is observed every year on 13 September.