# Ultimate pi moment tomorrow morning

On 3.14.15 at 9:26:53

3.141592653

Silicon Waffle, jtbell, Evo and 3 others

Gold Member
2022 Award
Greg, you are very strange

sk1105
We don't get a pi day in the UK

We don't get a pi day in the UK
Start a movement! I'm calling for it to be a national holiday!

Gold Member
Start a movement! I'm calling for it to be a national holiday!

But there's no April 31. :\ Best you can do is 22/7.

nuuskur, JorisL and Fredrik
Psinter
On 3.14.15 at 9:26:53

3.141592653

Awesome!

Already set! With AM and PM there is twice the chance!

Greg Bernhardt
fourier jr
Since the next digit after the 5 is a 9 won't the proper approximation be 3.1416? So won't the ultimate Pi moment come in 2016? I guess we could celebrate both years, why not

2022 Award
You know what you have to eat to celebrate, don't you. It better be a round one...

I'm also in the UK. :(

Raghav Gupta
And people around here, guess what is the speciality about next day after this day celebration?

gravenewworld
Actually if you consider milliseconds etc between the 53 and 54th second there will be an instantaneous moment in time tomorrow at which we exactly equal pi. Instant pi? No thanks, give me a slice.

Silicon Waffle
I really have a headache trying to think what is going on with a PI day via what people discus here,

I'm not flying out of here any time soon. So I will try again and again. Have a nice weekend everyone!

leroyjenkens
3/14/15 was 2000 years ago.

Pythagorean and nuuskur
fourier jr
we should celebrate tau day instead

Gold Member
Next PI Day is,
(20)31 April 15

Your holiday lasts exactly one second :< And now you have to wait another 100 years for another chance :/

Blackberg
Poor e.

Mentor
We can celebrate e-day in July (2.7.) and January (27.1.), using the correct date format.
2.7.18 is in three years.

Gold Member
But there's no April 31. :\ Best you can do is 22/7.
According to one website, as April 31 is purely imaginary, it is $i$-day!

sk1105
Mentor
You celebrate it at midnight between April 30 and May 1 (a public holiday in many countries!)?

2022 Award
According to one website, as April 31 is purely imaginary, it is $i$-day!
And since $e^{i\pi}=-1$we can celebrate on the day before! April 30th it is!

Last edited:
$e^{i\pi} = -1$ you mean :)

2022 Award
$e^{i\pi} = -1$ you mean :)
That's what I wrote.

<Wanders off, whistling innocently>

nuuskur
Blackberg
We can celebrate e-day in July (2.7.) and January (27.1.), using the correct date format.
2.7.18 is in three years.

I think e deserves it.

Many numbers do stand on its shoulder.

DrGreg
We hear of yesterday being the ultimate Pi moment but as someone noted above 3/14/15 was 2000 years ago. I would submit that the ultimate Pi moment occurred on:

March 14, 1592 with Pi moments at 6:53:58.xxx... AM and PM.

Note: this is using a standard 12 hour digital watch display format ( _h:mm:ss.xxx...) allowing 1 digit hours from 0 to 9 and two digit for 10 to 12, but insisting on two digit minutes and seconds. With decimal fraction on the seconds, you can take .xxx..., the actual moment out to an accuracy approaching a jiffy if so desired (Planck time of about 5.4 × 10−44 Seconds).

Another somewhat ultimate Pi day will be:

March 14, 15926 with Pi minutes at 5:35 AM and PM. The format using dual digit seconds would exceeds 59, ergo the smallest interval is minutes.

The next year that we can attain the same accuracy level of accuracy (seconds) as 1592 and thus a moment is:

March 14, 159,265,389,793 2:38:46 AM & PM. Quite a bit into the future.

We really missed the boat by not being around in 1592. Note I didn't try any BCE dates.

Now a question for the much smarter than I. Is mathematics a pure science or is it corrupted by our 4 dimensional space-time (if not our human brains)? The essence being here, because Pi is a never ending decimal, will the Pi moment be an infinite string of numbers or will it end at some increment slightly before the jiffy. My understanding (quite limited) is that the jiffy is the shortest time interval in our universe, any thing shorter you are in the quantum foam. I suppose we could have an infinitely short theoretical Pi moment and and a discrete actual physical Pi moment. The philosophical quandary here being, can we actually have a Pi moment or are we limited to something that approaches a Pi moment. 10^-44 is quite a long moment compared to an infinite negative exponent. I doubt I will lose any sleep pondering this tonight.

fourier jr
this was a pretty good pi moment. not my pic or else I'd put it in the pi day photo thread. & it would probably win

http://www.scientificamerican.com/article/the-best-pi-day-pies-and-celebrations/

We hear of yesterday being the ultimate Pi moment but as someone noted above 3/14/15 was 2000 years ago. I would submit that the ultimate Pi moment occurred on:

March 14, 1592 with Pi moments at 6:53:58.xxx... AM and PM.

Note: this is using a standard 12 hour digital watch display format ( _h:mm:ss.xxx...) allowing 1 digit hours from 0 to 9 and two digit for 10 to 12, but insisting on two digit minutes and seconds. With decimal fraction on the seconds, you can take .xxx..., the actual moment out to an accuracy approaching a jiffy if so desired (Planck time of about 5.4 × 10−44 Seconds).

Another somewhat ultimate Pi day will be:

March 14, 15926 with Pi minutes at 5:35 AM and PM. The format using dual digit seconds would exceeds 59, ergo the smallest interval is minutes.

The next year that we can attain the same accuracy level of accuracy (seconds) as 1592 and thus a moment is:

March 14, 159,265,389,793 2:38:46 AM & PM. Quite a bit into the future.

We really missed the boat by not being around in 1592. Note I didn't try any BCE dates.

Now a question for the much smarter than I. Is mathematics a pure science or is it corrupted by our 4 dimensional space-time (if not our human brains)? The essence being here, because Pi is a never ending decimal, will the Pi moment be an infinite string of numbers or will it end at some increment slightly before the jiffy. My understanding (quite limited) is that the jiffy is the shortest time interval in our universe, any thing shorter you are in the quantum foam. I suppose we could have an infinitely short theoretical Pi moment and and a discrete actual physical Pi moment. The philosophical quandary here being, can we actually have a Pi moment or are we limited to something that approaches a Pi moment. 10^-44 is quite a long moment compared to an infinite negative exponent. I doubt I will lose any sleep pondering this tonight.

EDIT 3/20/15, ERROR CORRECTION:
On the last date in the above post, at 159 billion years in the future, incredibly I somehow missed a digit in the original post. How exactly I did that when I copied an pasted the number is beyond me. I must of inadvertently deleted a digit when I put the commas in. In any event the date has been corrected below in bold. It was only 1.433 trillion year error.

March 14, 1,592,653,589,793 2:38:46.xxx...

Mentor

EDIT 3/20/15, ERROR CORRECTION:
On the last date in the above post, at 159 billion years in the future, incredibly I somehow missed a digit in the original post. How exactly I did that when I copied an pasted the number is beyond me. I must of inadvertently deleted a digit when I put the commas in. In any event the date has been corrected below in bold. It was only 1.433 trillion year error.

March 14, 1,592,653,589,793 2:38:46.xxx...
Let's hope the strange month/day/year format has been abandoned then.
In the highly unlikely case that there will still be something using our current date format at all.