How Many Days Until Pi Day?
There are 160 days until Pi Day, on Sunday, March 14, 2027. Pi Day is March 14, written 3-14, a nod to the mathematical constant. The counter tracks the days to the celebration.
Countdown to Pi Day
Sunday, March 14, 2027Counting down to Pi Day on Sunday, March 14, 2027.
How we date Pi Day
Pi Day is fixed on 14 March, written 3/14 in the American month-first format.
No primary source has been verified for this date yet. The rule above is the one this site applies; treat it as our stated convention rather than an official record. Tell us if it looks wrong.
Pi Day dates for the next ten years
The weekday is the part that changes, and it is usually what people are actually checking. Every row below is computed from the rule above rather than typed in by hand.
| Year | Date | Weekday | Days from today |
|---|---|---|---|
| 2027 | 14 March | Sunday | 160 |
| 2028 | 14 March | Tuesday | 526 |
| 2029 | 14 March | Wednesday | 891 |
| 2030 | 14 March | Thursday | 1,256 |
| 2031 | 14 March | Friday | 1,621 |
| 2032 | 14 March | Sunday | 1,987 |
| 2033 | 14 March | Monday | 2,352 |
| 2034 | 14 March | Tuesday | 2,717 |
| 2035 | 14 March | Wednesday | 3,082 |
| 2036 | 14 March | Friday | 3,448 |
About the countdown to Pi Day
March 14 is also Albert Einstein's birthday, which gives math fans a second reason to celebrate.
Classrooms and math fans mark the day with pie and puzzles.
The counter above reads from your device clock and refreshes every second, so the days, hours, minutes and seconds always reflect the time remaining right now. The next Pi Day falls in ISO week 10 of 2027. When the day arrives the page says so instead of showing a zero, and from the following day it moves its target to 2028, so the countdown never runs out of road.
Around the same time
These fall within a fortnight of Pi Day, which is useful if you are planning around the date rather than only checking it.
| Event | Date | Relative to Pi Day |
|---|---|---|
| Spring | 1 March 2027 | 13 days before |
| International Women's Day | 8 March 2027 | 6 days before |
| St. Patrick's Day | 17 March 2027 | 3 days after |
| the Spring Equinox | 20 March 2027 | 6 days after |
| the International Day of Happiness | 20 March 2027 | 6 days after |
| World Water Day | 22 March 2027 | 8 days after |
Frequently asked questions
How many days until Pi Day?
Pi Day falls on Sunday 14 March 2027. That is 160 days from Monday, October 5, 2026. The counter at the top of the page recalculates from your own device clock, so it is exact for your time zone.
What day of the week is Pi Day this time?
The next Pi Day falls on a Sunday (Sunday 14 March 2027). The weekday changes from year to year; the table on this page lists it for the next ten occurrences.
How is the date for Pi Day decided?
Pi Day is fixed on 14 March, written 3/14 in the American month-first format. This date has not been verified against a primary source, which the page states openly.
Does this countdown update every year?
Yes. Once Pi Day passes, the page rolls its target forward to the next occurrence, so the countdown stays accurate without any manual updates. The ten-year table moves along with it.
Is the Pi Day countdown based on my time zone?
The day count uses your device's local calendar date, not the server's. Pi Day is treated as a whole calendar day rather than an instant, which is why the count matches the calendar on your wall wherever you are.
Count down to another event
Counting down to something else? Build your own with the countdown timer, put this counter on your own site with the embeddable widget, or browse the full list of countdowns. Working out an age instead? Use the age calculator.
Dates verified on 2026-08-05. Page recalculated Monday, October 5, 2026.