I just finished a book called The Middle Ages, by Morris Bishop. Given that it was a 99¢ Kindle book, I wasn’t expecting much but I really enjoyed it. In particular, I like reading new books about topics I’ve previously read about, and learn new things. With that in mind, I present you with the way time worked in the middle ages.
No one … knew surely what time it was. The Angelus ringing in the village church was a sufficient time signal for most people. Night and day were each divided into twelve hours measured between sunrise and sunset. Thus, the length of an hour or minute varied every day and from one latitude to another.Morris Bishop, The Middle Ages, 2015
So not only did the length of an hour vary between latitudes, but it would vary as the year progressed. That’s so bizarre.