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

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 ancient Egyptian calendar – a civil calendar – was a solar calendar with a 365-day year. The year consisted of three seasons of 120 days each, plus...

Persian polymath, Omar Khayyam. The modern Iranian calendar is currently the official civil calendar in Iran. The Iranian New Year begins at the midnight...

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...

of a previous proposal, Common-Civil-Calendar-and-Time (CCC&T). With the Hanke–Henry Permanent Calendar, every calendar date always falls on the same day...

countries also adopted the calendar, at least for civil purposes. The Gregorian calendar, like the Julian calendar, is a solar calendar with 12 months of 28–31...

countries where the predominant religion is Islam, the civil calendar is the Gregorian calendar, with Syriac month-names used in the Levant and Mesopotamia...

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...

European occupation.[citation needed] All Arab states use the Gregorian calendar for civil purposes. The names of the Gregorian months as used in Egypt, Sudan...

calendar appear in the Hebrew calendar, Assyrian calendar, Syriac calendar, Old Persian calendar, and Turkish calendar. The Babylonian civil calendar...

ዘመን ኣቆጣጠር) is the official state civil calendar of Ethiopia and serves as an unofficial customary cultural calendar in Eritrea, and among Ethiopians and...

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

before and after a calendar change, respectively. Usually, they refer to the change from the Julian calendar to the Gregorian calendar as enacted in various...

"Christian calendar." Gregorian calendar, internationally accepted civil calendar used in Western Christendom Armenian calendar, used by Armenian Christians...

but except for these, the Gregorian calendar is now the world's universal civil calendar, old style calendars remaining in use in religious or traditional...

and is an official calendar for civil holidays alongside the Gregorian calendar. Like other lunisolar calendars, the Hebrew calendar consists of months...

29 days rather than the common 28. The Gregorian calendar, the world's most widely used civil calendar, makes a further adjustment for the small error...

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

of the Hindu calendar, which falls in August and September of the Gregorian calendar. In India's national civil calendar (Shaka calendar), Bhadra is the...

the calendar used, so an identifying suffix may be needed where ambiguity may arise. The Gregorian calendar is the world's most widely used civil calendar...

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...

elapsed time by the apparent position of the sun Civil calendar – Calendar used within a country for civil, official, or administrative purposes Category:Time...

A calendar era is the period of time elapsed since one epoch of a calendar and, if it exists, before the next one. For example, it is the year 2024 as...

comparison. Such is as follows: Along with the festival calendar, the Athenian calendar had a civil calendar that coexisted and was based upon the prytanies (periods...

Calendar reform or calendrical reform is any significant revision of a calendar system. The term sometimes is used instead for a proposal to switch to...

other calendars, the Gregorian calendar and the Islamic calendar. The Gregorian calendar is the official calendar of the Republic of Indonesia and civil society...

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

Pakistani calendars for religious and civil purposes, respectively. Religious holidays such as Eid are celebrated according to the Islamic calendar whereas...

Bangladeshi national calendar, known as Bengali calender (Bengali: বঙ্গাব্দ, romanized: Bôṅgābdô) officially and commonly, is a civil calendar used in Bangladesh...