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...

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...

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

The traditional Chinese calendar is a lunisolar calendar dating from the Han dynasty that combines solar, lunar, and other cycles for various social and...

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

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

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...

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...

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 Attic calendar or Athenian calendar is the lunisolar calendar beginning in midsummer with the lunar month of Hekatombaion, in use in ancient Attica...

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

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

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...

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

calendar Basotho calendar Bengali calendar Berber calendar Bulgar calendar Byzantine calendar Caesar's Calendar Coptic calendar Discordian calendar EartHeaven...

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...

An Advent calendar, from the German word Adventskalender, is used to count the days of Advent in anticipation of Christmas. Since the date of the First...

Bengali Calendar (Bengali: বঙ্গাব্দ, romanized: Bôṅgābdô, colloquially বাংলা সন, Bāṅlā Sôn or বাংলা সাল, Bāṅlā Sāl, "Bangla Year"), is a solar calendar used...

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

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,...

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...

Roman calendar was the calendar used by the Roman Kingdom and Roman Republic. Although the term is primarily used for Rome's pre-Julian calendars, it is...

The Discordian or Erisian calendar is an alternative calendar used by some adherents of Discordianism. It is specified on page 00034 of the Principia...

The Iranian calendar or Iranian chronology (Persian: گاه‌شماری ایرانی, Gâh Ŝomâriye Irâni) are a succession of calendars created and used for over two...

liturgical calendars, calendars used by predominantly Christian communities or countries, and calendars referred to as the "Christian calendar." Gregorian...

The civil calendar is the calendar, or possibly one of several calendars, used within a country for civil, official, or administrative purposes. The civil...

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