xkcd.1930.regex

^Did you know that (the (fall|spring) equinox|the (winter|summer) (solstice|Olympics)|the (earliest|latest) (sunrise|sunset)|daylight 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 arbitray 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)\.$