Examples of Gregorian calendar in the following topics:
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- While various calendars were developed and used across millennia, cultures, and geographical regions, Western historical scholarship has unified the standards of determining dates based on the dominant Gregorian calendar.
- The Gregorian calendar was introduced as a refinement of the Julian calendar in 1582 and is today in worldwide use as the de facto calendar for secular purposes.
- The Gregorian calendar, also called the Western calendar and the Christian calendar, is internationally the most widely used civil calendar today.
- The terms anno Domini (AD) and before Christ (BC) are used to label or number years in the Julian and Gregorian calendars.
- During the period between 1582, when the first countries adopted the Gregorian calendar, and 1923, when the last European country adopted it, it was often necessary to indicate the date of some event in both the Julian calendar and in the Gregorian calendar.
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- A 260-day calendar (Tzolkin) was combined with the 365-day solar calendar (Haab') to create a calendar round.
- It utilized 20 named days that repeated 13 times in that calendar year.
- The solar calendar (Haab') is very similar to the modern solar calendar year that uses the earth's orbit around the sun to measure time.
- Each symbol represents a specific day within the calendar.
- When the Tzolkin and Haab' calendar's are combined they create a 52-year solar calendar.
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- The Shang also established a lunar calendar that was used to predict and record events, such as harvests, births, and deaths (of rulers and peasants alike).
- Because the calendar was used to time both crop planting and the harvest, the king had to employ skilled astronomers to predict dates (and successes) of annual harvests; this would help him maintain support from the people.
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- The Aztec based their calendar on the
sun and utilized a 365-day religious calendar.
- This calendar shows the 18 months circling around a representation of the sun.
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- The crisis began when a group within the church, members of the Gregorian Reform, decided to rebel against the rule of simony by forcefully taking the power of investiture from the ruling secular power, i.e., the Holy Roman Emperor, and placing that power wholly within control of the church.
- The Gregorian reformers knew this would not be possible so long as the emperor maintained the ability to appoint the pope, so their first step was to forcibly gain the papacy from the control of the emperor.
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- Next came Zhuanxu, who was credited with the invention of the Chinese calendar and the introduction of religion and astrology.
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- Zhuanxu is credited with the creation of the Chinese calendar as well as the introduction of religion and astrology.
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- Thus, in the year 7207 of the old Russian calendar, Peter proclaimed that the Julian Calendar was in effect and the year was 1700.
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- After assuming control of the government upon the defeat of his enemies in 45 BCE, Caesar began a program of social and governmental reforms that included the creation of the Julian calendar.
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- The Zapotecs developed a calendar and a logosyllabic system of writing that used a separate glyph to represent each of the syllables of the language.