[saamm]

If we're trying to be precise, why not also enter the time at which we were born?

[19eightyfour]

Indeed. And the timezone or location. And maybe break it out into seconds as well.

[oleg131]

I thought about that, but in the end decided to go for simplicity.

[tmnvix]

You need two locations; place of birth and current location.

[nilkesede]

looks like its not so precise

[thisisdave]

It is, it's just not accurate.

https://en.wikipedia.org/wiki/Accuracy_and_precision