Secrets of Timekeeping: Beautifull medieval calendars on display at Lambeth Palace library

A remarkable collection of beautifully illustrated documents that helped medieval people determine dates and fortunes has gone on display in London’s Lambeth Palace Library.These concertina-fold almanacs have been nicknamed ‘medieval smartphones’ – they helped their users keep track of time, look up information, and organise their lives. Fewer than 30 of these medieval almanacs are known to exist, and now some of them have been brought together to go on display in Lambeth