As many of us prepare to hang up a new calendar for the year ahead, we’re joined by Professor Robert Poole to reveal the surprising history of our calendar.

Discover how Britain switched from the Julian calendar to the Gregorian calendar in the 18th century, why the change was necessary to catch up with most of Europe, and the truth behind the 'calendar riots' of 1752. We’ll also discuss the problem with Easter and how the changes continue to affect us today.

To read more about Lord Chesterfield, who introduced the legislation to switch to the Gregorian calendar while living at Ranger’s House in London, go to www.english-heritage.org.uk/visit/places/rangers-house-the-wernher-collection/history-and-stories/lord-chesterfield

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Episode 92 - Time to change: The history of our calendar