Philipp Nothaft will deliver a public lecture on ‘Medieval Time Reckoning and the Dating of Easter’ at Durham Cathedral as part of the Being Human National Festival of the Humanities, 2016. Full details are on the poster above – please spread the word! Philipp is a world expert on medieval dating systems and the history of astronomy, and an important contributor to the Ordered Universe project. No better place to start the Durham events for the Being Human Festival.