This in-person session is not being broadcast or recorded.

If there is a syllabus or slides, you can download them below. If you are attending in person, view this session on the in-person website.

This session is in person

Double Dates and Lost Days: Making Sense of the Calendar Switch

Find out how to read, adjust, and interpret dates from before and after 1752 in England and its colonies. We’ll cover double dating, New Year’s Day changes, and what to watch for in cemetery records, family Bibles, and civil documents.

Suggested Content


Thumbnail for Beyond Parish Registers: Tracing your Anglican Ancestors in England
1:00:20
Thumbnail for Why Did It Say That & Other Contextual Clues
53:57
2025

Why Did It Say That & Other Contextual Clues

Rebecca Whitman Koford