Time, chronicles and Arabic numerals

The opening text of Roger of Crowland's chronicle in London, Arundel MS 10, where he discusses how time had been and ought to be measured.

As I keep working on my book, I thought I'd share one of the most exciting ways in which a medieval chronicler thought about time and chronology. The year is 1212 or maybe 1214, it's not clear. The author of the chron…