March 2017
No. Su Mo Tu We Th Fr Sa
9 26 27 28 1 2 3 4
10 5 6 7 8 9 10 11
11 12 13 14 15 16 17 18
12 19 20 21 22 23 24 25
13 26 27 28 29 30 31 1
  • In 2017 year Pi Day falls on
    second Tuesday of March

Pi Day dates in the following years:

Su Mo Tu We Th Fr Sa
Mar. 2018
14
Mar. 2019
14
Mar. 2020
14
Mar. 2021
14
Mar. 2022
14
The dates the holiday is observed are marked with a dotted line (applies to federal holidays). Date calculations are based on your computer's time.

Pi Day 2017

Tuesday, March 14

Pi Day is celebrated on 14 March mainly in school and academic environments. This day is related to the notation of 14 March date - 3.14. which means decimal approximation of pi number. The first celebrations of Pi Day was held on 14 March 1988. The idea was initiated by Larry Shaw.