This interactive world map compares calendar eras used for civil, religious and cultural purposes. It includes the Gregorian calendar, the lunar and solar Hijri calendars, the Hebrew and Ethiopian calendars, the Thai Buddhist Era, Japan's Reiwa era, Minguo, Vikram Samvat, the Bengali and Burmese calendars, India's Saka calendar and the traditional Chinese cycle.
Each country is classified by its principal civil calendar or by the combination of systems used in official, religious and cultural life. Current values are calculated from the visitor's date. Calendar transitions occur at different moments of the year, so several countries can display more than one valid year at the same time.
Calendar era is the system through which a calendar counts its years. Its starting point may refer to a religious event, the beginning of an era, a ruler's accession, a national epoch or an astronomical cycle.
The Gregorian calendar is the most widely used civil system and numbers years from the traditionally accepted year of the birth of Jesus Christ. Other calendars count from the Hijra, the traditional date of Creation in Hebrew chronology, the Buddhist Era or a national epoch.
Select a country to compare its principal civil calendar with other systems used there. The values update automatically according to the date on which you open the map.
Which country officially uses the Indian National Calendar, also known as the Saka calendar?
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In many countries, the Gregorian calendar is used alongside religious, national or traditional calendars. Countries with two or more mapped systems are shown with stripes that combine the corresponding calendar colours. The map describes current public usage and does not imply that every resident uses each system in daily life.