Pi Day 2109 is on Thursday, 14 March 2109.

How is Pi Day calculated?

This event is observed every year on 14 March.

When is Pi Day 2109?

Name: Pi Day
Start: 2109-03-14
End: 2109-03-14
Location: Worldwide

Thursday, 14 March 2109

Pi Day is celebrated on 14 March in honour of the mathematical constant pi (3.14), with educational activities, mathematics events, and playful traditions such as eating pie.

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Frequently asked questions

When is Pi Day 2109?: Pi Day 2109 is on Thursday, 14 March 2109.
What day of the week is Pi Day 2109?: It falls on Thursday.
How is Pi Day calculated?: This event is observed every year on 14 March.