Why Calendars Start on Different Days Across the World: The Global Divide Between Sunday and Monday

Reading time: 7 min 33 sec

Why do calendars start on different days around the world? While many countries follow the Monday-to-Sunday system, others—like the U.S.—start the week on Sunday. This blog explores the historical, cultural, and practical implications of these differences, highlighting the confusion they can cause in scheduling, travel planning, and workplace productivity.

Photo by Eric Rothermel on Unsplash