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Countdown to Pi Day 2027

Sunday, March 14, 2027

🥧
Time until Pi Day 2027
137
days
03
hours
28
minutes
09
seconds
62% of the way from Pi Day 2026 to Pi Day 2027

There are 138 days until Pi Day 2027, which falls on Sunday, March 14, 2027. That is 19 weeks and 5 days from today (October 27, 2026).

About Pi Day

Pi Day, March 14 (3.14), celebrates the mathematical constant π. Math fans mark it with pie baking, recitation contests and — since 2019 — UNESCO's International Day of Mathematics.

Key facts

Date
Sunday, March 14, 2027
Day of the week
Sunday
Days remaining
138
Weeks remaining
19 weeks, 5 days
Total hours
3,291

How many days until Pi Day?

From today, October 27, 2026, there are 138 days (3,291 hours) until Pi Day 2027 on Sunday, March 14, 2027. The live countdown at the top of this page updates every second.

Pi Day dates for the next 5 years

YearDateDay of weekDays from now
2027Sunday, March 14, 2027Sunday138
2028Tuesday, March 14, 2028Tuesday504
2029Wednesday, March 14, 2029Wednesday869
2030Thursday, March 14, 2030Thursday1,234
2031Friday, March 14, 2031Friday1,599

FAQ

How many days until Pi Day 2027?

There are 138 days until Pi Day 2027, which falls on Sunday, March 14, 2027.

What day of the week is Pi Day 2027?

Pi Day 2027 falls on a Sunday.

When is Pi Day after 2027?

The next Pi Day after 2027 is on Tuesday, March 14, 2028.

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