I see this change on the Holidays page, but when will these changes be reflected in the "Jewish Holidays - All" feed that my congregation embeds in the Google Calendar on our website?

—Ben F

Google's Holidays in Israel calendar gets it right, showing the holiday on April 4, 2020 (10 Nisan) while also noting that it is observed in schools on November 5, 2019 (7 Cheshvan).