Calendars of the world's cultures

Today · 5 November 2026 · Thursday

All calendars

• Gregorian calendar

  The solar calendar introduced by Pope Gregory XIII in 1582, now the civil calendar almost everywhere.

• Julian calendar · Ancient Rome

  Julius Caesar's solar calendar of 45 BCE; still used by several Orthodox churches.

• Chinese calendar (Nongli) · Chinese civilization

  Lunisolar calendar: months follow the moon, the 24 solar terms follow the sun; years are named by the sixty-year stem-branch cycle.

• Korean calendar (Dangi)

  Korean lunisolar calendar, computed for the Korean meridian; years counted from the legendary founding of Gojoseon (2333 BCE).

• Tibetan calendar (Phugpa)

  Lunisolar calendar of Tibetan Buddhism; years in sixty-year Rabjung cycles from 1027 CE, named by element and animal.

• Hebrew calendar · ancient Israel and Judah

  Arithmetic lunisolar calendar of Judaism; years counted Anno Mundi.

• Islamic calendar (Umm al-Qura) · Islamic Civilization

  Purely lunar calendar counted from the Hijra (622 CE). This is Saudi Arabia's official Umm al-Qura version; many communities start months by moon sighting, which can differ by a day or two.

• Solar Hijri calendar (Persian)

  Solar calendar of Iran and Afghanistan; the year begins at the spring equinox (Nowruz).

• Ethiopian calendar

  Thirteen months (twelve of 30 days and Pagume of 5–6); about seven to eight years behind the Gregorian count.

• Coptic calendar · Ancient Egypt

  Calendar of the Coptic Church, descended from the ancient Egyptian calendar; years of the Martyrs from 284 CE.

• Indian national calendar (Saka) · Ancient India

  India's official civil calendar since 1957, years of the Saka era (78 CE). Religious Hindu calendars are lunisolar and are not computed here.

• Japanese era calendar

  Gregorian months and days with years counted in imperial eras (Meiji to Reiwa).

• Thai solar calendar (Buddhist Era)

  Gregorian months and days with years of the Buddhist Era (543 years ahead).

• Minguo calendar

  Gregorian months and days with years counted from 1912.

• Maya calendars · Maya Civilization

  Three interlocking counts: the Long Count of days since the creation date, the 260-day Tzolk'in and the 365-day Haab'.

• Aztec calendars · Aztec

  The 365-day Xiuhpohualli and the 260-day Tonalpohualli of the Mexica.

• Ancient Egyptian civil calendar · Ancient Egypt

  Twelve months of 30 days plus five epagomenal days, with no leap years, so it drifted through the seasons; years of the Nabonassar era as used by Ptolemy.

• Roman calendar · Ancient Rome

  Julian dates named the Roman way, counting back to the Kalends, Nones and Ides, with years ab urbe condita (from the founding of Rome).