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...

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...

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

Hijri calendar (Arabic: ٱلتَّقْوِيم ٱلْهِجْرِيّ, romanized: al-taqwīm al-hijrī), or Arabic calendar, also known in English as the Muslim calendar and Islamic...

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...

This national electoral calendar for 2024 lists the national/federal elections held, and scheduled to be held, in 2024 in all sovereign states and their...

The traditional Chinese calendar (traditional Chinese: 農曆; simplified Chinese: 农历; lit. 'agricultural calendar'; traditional Chinese: 陰曆; simplified Chinese:...

The Hebrew calendar (Hebrew: הַלּוּחַ הָעִבְרִי, romanized: halLūaḥ hāʿĪḇrī), also called the Jewish calendar, is a lunisolar calendar used today for...

The French Republican calendar (French: calendrier républicain français), also commonly called the French Revolutionary calendar (calendrier révolutionnaire...

The Ethiopian calendar (Amharic: ዓውደ ወር; Ge'ez: ዓዉደ ወርሕ; Tigrinya: ዓዉደ ኣዋርሕ), or Ge'ez calendar (Ge'ez: ዓዉደ ወርሕ; Tigrinya: ዓዉደ ኣዋርሕ; Amharic: የኢትዮጲያ ዘመን...

Mesoamerican calendars, sharing the basic structure of calendars from throughout the region. The Aztec sun stone, often erroneously called the calendar stone...

This Chinese calendar correspondence table shows the stem/branch year names, correspondences to the Western (Gregorian) calendar, and other related information...

Calendar Man (Julian Gregory Day) is a supervillain appearing in American comic books published by DC Comics, as an enemy of the superhero Batman, belonging...

The Celtic calendar is a compilation of pre-Christian Celtic systems of timekeeping, including the Gaulish Coligny calendar, used by Celtic countries to...

A lunar calendar is a calendar based on the monthly cycles of the Moon's phases (synodic months, lunations), in contrast to solar calendars, whose annual...

Google Calendar is a time-management and scheduling calendar service developed by Google. It was created by Mike Samuel as part of his 20% project at...

The Holocene calendar, also known as the Holocene Era or Human Era (HE), is a year numbering system that adds exactly 10,000 years to the currently dominant...

Yahoo Calendar is a Web-based calendar service from Yahoo!. It can read calendar feeds and events syndicated from sites that make use of the published...

The Buddhist calendar is a set of lunisolar calendars primarily used in Tibet, Cambodia, Laos, Myanmar, Bangladesh, India, Sri Lanka, Thailand and Vietnam...

Indian national calendar, called the Shaka calendar or Śaka calendar, is a solar calendar that is used alongside the Gregorian calendar by The Gazette...

A month is a unit of time, used with calendars, that is approximately as long as a natural phase cycle of the Moon; the words month and Moon are cognates...

Nepali calendar can refer to: Vikram Samvat, the official calendar in Nepal Nepal Sambat, the ceremonial calendar in Nepal This disambiguation page lists...

A calendar year begins on the New Year's Day of the given calendar system and ends on the day before the following New Year's Day, and thus consists of...

Japanese calendar types have included a range of official and unofficial systems. At present, Japan uses the Gregorian calendar together with year designations...

The Tamil calendar (தமிழ் நாட்காட்டி) is a sidereal solar calendar used by the Tamil people of the Indian subcontinent. It is also used in Puducherry,...

The Assamese Calendar (Assamese: ভাস্কৰাব্দ, lit. 'Bhāskarābda') is a Lunisolar calendar, followed in the Indian state of Assam. The New Year in the Assamese...

Fasli calendar or Fasli era (Fasli; Urdu: فصلی, Arabic: فصلى; lit. 'Harvest') is a harvest-based calendar system that was used across South Asia, but...

instead of Coptic letters. The Coptic calendar, also called the Alexandrian calendar, is a liturgical calendar used by the farming populace in Egypt and...

The calendar of saints is the traditional Christian method of organizing a liturgical year by associating each day with one or more saints and referring...

This is a list of calendars. Included are historical calendars as well as proposed ones. Historical calendars are often grouped into larger categories...