There is a kind reply calendar ever recorded in the history of human civilzation

Among which the oldest is owned by the Egyptians in Africa, the Maya in Central America, the Chinese, Jewish, and Greek. They are the nation since thousands of years ago has been very familiar with the activities of Astronomy. The history of the calendars in the world is as follows.

Egyptian calendar. Egyptian calendar known as Qibti calendar. In ancient times, only used to mark the cultural activities, the calendar is also used to predict mystical phenomena associated with the disease, healing, the birth and death of a person. In fact, it is used to predict the power and the glory of a king. A number supranaturalis in Egypt until now there are those who use this Qibti calendar in secret for mystical activities. But, in general in modern Egypt has been in effect two calendar: Gregorian alias alias AD and the Islamic calendar Hijri.

The Mayan calendar. Another ancient calendars that recorded history is the Mayan calendar. Calendar which was uproar in 2012 yesterday is structured thousands of years ago by the Mayans, in Central America. It is estimated that this calendar was created circa 747-353 BC. And their civilization reached its peak in 250-900 AD

Chinese calendar. This calendar is older than the Mayan calendar. Calendar created in the time of Emperor Huang Ti 30th century BC (2698-2599 BC) is dating the most recently used in human civilization. Namely, almost 5000 years. Though, in modern Chinese calendar has undergone a shift in the number of years adjusted for calendar AD.

Japanese calendar. The Japanese calendar using the calendar which was adapted from the Chinese calendar combined with the Gregorian calendar. Until the end of the 5th year of the Meiji era, or around 1873, Japan still using Calendar Tempo (Temporeki). But since the 6th year of the Meiji era or January 1, 1873, Japan uses the Gregorian calendar system.

Julian calendar - the Gregorian. This calendar is a calendar of the most widely used in the international world. Known also as the forerunner of the Gregorian calendar. Initially, this calendar is derived from the Roman calendar. But because many weaknesses and the mess, then the Roman emperor Julius Caesar then turn it on the advice of an astronomer named Sosigenes, and entered into force on 1st January of the year 45 BC. While still as the ancient Roman calendar, the number of month of the year only 10 months. And the number of days in a month average hit 30 days. But since the days of Julius Caesar, the calendar was enhanced by adding two months (Januarius / January and Februarius / February) and to 12 months, as we know it today.

The Islamic calendar. As the Gregorian calendar, the Islamic calendar is a calendar that is still actively used by billions of inhabitants of Earth. In Islamic countries, or in areas that many Islamic population. The forerunner of the calendar is already there since the pre-Islamic era in the Middle East region, to be based on the Sun and the Moon. Initially, the number of months in a year is 13 months, with the turn of the year in late summer falls in September. Naming calendar adjusted to the season or social condition that is happening. The first month, for example, called Muharram because in this month the entire tribe in the Arabian Peninsula bersepkat proscribe war.

Calendar-Calendar Other. Besides some calendar system that we have discussed, the history still know a number of other calendars. Among other things, the Jewish calendar, the calendar Saka India, and a number of local calendar as calendar Java, Sunda, and Bali. However, after the arrival of Islam, calendars were experiencing adaptation and incorporation of the Islamic calendar system. Now, calendars it has been increasingly abandoned, except for certain cultural rituals alone ...

That is the history of the calendars in the world. Everything gives a lesson to us that the history of human civilization has been and will continue to grow, in line with the development of science increasingly dynamic.