Explore: Mathematics Calendar

A calendar is a system of organizing days. This is done by giving names to periods of time, typically days, weeks, months and years. A date is the designation

日in the bottom row and click on 執行. Western-Chinese calendar converter Rules Mathematics of the Chinese Calendar The Structure of the Chinese Calendar

Americas. The civilization is also noted for its art, architecture, mathematics, calendar, and astronomical system. The Maya civilization developed in the

The Hebrew calendar (Hebrew: הַלּוּחַ הָעִבְרִי‎), also called the Jewish calendar, is a lunisolar calendar used today for Jewish religious observance

The Gregorian calendar is the calendar used in most parts of the world. It went into effect in October 1582 following the papal bull Inter gravissimas

commerce, trade, and in astronomy, to record time and formulate calendars. The earliest mathematical texts available are from Mesopotamia and Egypt – Plimpton

Hijri calendar (Arabic: ٱلتَّقْوِيم ٱلْهِجْرِيّ, romanized: al-taqwīm al-hijrī), also known in English as the Islamic calendar, is a lunar calendar consisting

The history of calendars covers practices with ancient roots as people created and used various methods to keep track of days and larger divisions of

Julian calendar is a solar calendar of 365 days in every year with an additional leap day every fourth year (without exception). The Julian calendar is still

The Hindu calendar, also called Panchanga (Sanskrit: पञ्चाङ्ग), is one of various lunisolar calendars that are traditionally used in the Indian subcontinent