Phi day…

…is on June 18.
…is on October 31 (Northern hemisphere).
…is on May 6 (Southern hemisphere).
…is on May 19.

I would say it’s on 1st of June, although the May 19 proposal is independent from varying date formats. Tough decision for the Antville 1.6 release coming up one day…

φ

“π day.”

That day celebrated by media people with questionable mathematical knowledge and even more hilarious date formats.

Please take over, Vi Hart! (Because Pi is wrong.)

It’s Vi day for me.

I always thought wireless energy was a joke… (via futurism.co).

Google Code shuts down.

Predicting Google closures. Too bad this research is not updated anymore.

One of the rare conferences I would have gone – if I had known about it…

Max Richter at SoundCloud.

Last in the line of operator precedence and rarely documented, the comma operator hides its light under a bushel.

The Tommy Edison Experience (via Vsauce).

– What watch is it, my dear? – Watch for more female leadership. – Such much?

Seeing Circles, Sines and Signals. A Compact Primer on Digital Signal Processing.