#1930: Calendar Facts

XKCD comic, described below.
Transcript

-Calendar Facts-

[Shown below is a branching flow chart of sorts that begins at the phrase "Did you know that", then flows through various paths to build up a sentence. (Note that the "→" arrow symbol is used below to indicate a new branch with no intermediate text from a previous branch.)]

Did you know that:

the ( Fall | Spring ) Equinox

the ( Winter | Summer ) ( Solstice | Olympics )

the ( Earliest | Latest ) ( Sunrise | Sunset )

Daylight ( Saving | Savings ) Time

Leap ( Day | Year )

Easter

the ( Harvest | Super | Blood ) Moon

Toyota Truck Month

Shark Week

happens ( earlier | later | at the wrong time ) every year

drifts out of sync with the

Sun

Moon

Zodiac

( Gregorian | Mayan | Lunar | iPhone ) Calendar

atomic clock in Colorado

might ( not happen | happen twice ) this year

because of

time zone legislation in ( Indiana | Arizona | Russia )

a decree by the pope in the 1500s

( precession | libration | nutation | libation | eccentricity | obliquity ) of the

Moon

Sun

Earth's axis

equator

prime meridian

( International Date | Mason-Dixon ) Line

magnetic field reversal

an arbitrary decision by ( Benjamin Franklin | Isaac Newton | FDR )

?

Apparently

it causes a predictable increase in car accidents.

that's why we have leap seconds.

scientists are really worried.

it was even more extreme during the

Bronze Age.

Ice Age.

Cretaceous.

1990s.

there's a proposal to fix it, but it

will never happen.

actually makes things worse.

is stalled in congress.

might be unconstitutional.

it's getting worse and no one knows why.

(Sourced from explainxkcd.com)

Title text:While it may seem like trivia, it (causes huge headaches for software developers / is taken advantage of by high-speed traders / triggered the 2003 Northeast Blackout / has to be corrected for by GPS satellites / is now recognized as a major cause of World War I).


ExplainOriginal