Is Today Pi Day 2024. Pi approximation day is celebrated every year on july 22nd because the date (22/7) is commonly used as an approximation for the mathematical constant ï€ (pi). That's because the date is written.

Pi2day 2024 marks an essential milestone for pi network—it’s the last pi2day before we launch open network! Income tax day 2024 is celebrated every july 24 to mark the introduction of income tax in india by sir james wilson in 1860.