Pi Approximation Day

July 22, Monday

Pi Approximation Day
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Pi Approximation Day is observed on July 22 (22/7 in the day/month date format), since the fraction 22⁄7 is a common approximation of π, which is accurate to two decimal places and dates from Archimedes.
Pi Approximation Day – days left: 210. Create Countdown to Event

Pi Approximation Day in other years

Pi Approximation Day in other countries

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