British Adoption of Gregorian Calendar in 1752 Changed New Years Day from March 25th to January 1st Posted on September 10, 2025 by David Trieff Posted in Techniques Britain once skipped 11 days in September. Share this: Share on WhatsApp (Opens in new window) WhatsApp Email a link to a friend (Opens in new window) Email More Print (Opens in new window) Print Like this:Like Loading...