Jewish people around the world mark the holiday with synagogue services, community gatherings, festive meals, and the blowing of the shofar, a ram’s horn. Foods like challah bread and apples dipped in honey are shared to express the hope for a sweet year. Last year, the midpoint of the High Holy Days fell on Oct. 7 — the one-year anniversary of the ongoing war in Gaza that has killed Israelis and Palestinians. For Gubitz, the High Holidays are always a time for self-examination. But in recent years, her community has carried both grief and the heaviness of world events. It...