The Calendar
Every observance the atlas can place in April 2026, on the day it begins. Open a date to read the day in full.
Paschal TriduumLinked multi-day sequence forming the year's summit observance3 days VaisakhiCommemoration of a person or event2 days Dates for the Hebrew and Islamic calendars are the tabular reckoning, which is what a printed calendar prints. Communities that begin a month on a sighted crescent may differ by a day, and differ from one another by place. A festival lasting several days is listed on the day it begins.