What is a blue moon and how often do they occur? December 04, 2017 IFTTT, Metro loading... Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsIntruder who broke into Logan Paul’s house jailed for thirty daysMichael Douglas’ son Cameron thanks Dad and Catherine Zeta-Jones for keeping him going in prisonWhen does Lent 2018 start, why do we have it and when does it end?Justin Bieber and Selena Gomez ‘jet off on romantic Valentine’s getaway’ following rehab stintThree dead after tourist helicopter crash in Grand KanyonLiverpool ahead of Manchester United in race to sign Deportivo La Coruna winger Pinchi