nih yg mau baca curhat ts
Dating system based on the Hijri calendar months from the phase change the appearance of a thin crescent moon or new moon to the next. A new moon period is equal to one month sinodis period, the length of 29.5306 days.
Different from the Gregorian calendar used throughout the world for the benefit administration, calendar months are generally used for religious rituals and traditions. The second calendar, the year both made up of 12 months. Hijri year has 12 months or the period of 354.366 days sinodis. Rounded so 355 days or 354 days for leap years.
Gregorian calendar is based on the circulation of the Earth around the Sun from a certain point called solstis or equinox back to that point. Long journey around the Sun in 365.2422 days Earth-is called a tropical year, rounded to 365 days or 366 days for leap years.
Differences in the number of days in the year AH and AD led to the implementation of the worship of Ramadan, Eid, and Eid al-Adha is always 10-12 days forward from the previous year. Differences occur 10 days ahead if the Hijri calendar year is a leap year and the year of our Lord it is a common year or year-Basit (short). While the advanced 12-day difference occurs if the Hijri year of his ordinary year and the year of our Lord was including leap years.
According to researchers Bosscha Observatory and lecturer at the Graduate School Calendar System Astronomical Institute of Technology Bandung, Moedji Raharto, when contacted from Jakarta, Monday (9/8), the lunar calendar system is widely used because it consistently and regularly. Phases of the moon occurs over and over: New Moon-young crescent-moon-full moon early half-moon late-half-old crescent moon to new moon and return periodically. “Changes in regularly face in the night sky that our ancestors recorded and created the calendar month,” he said.
Dating system using the moon as a reference called the lunar calendar (lunar / qamariyah). Japan also uses the calendar month periodicity of appearance.
Calendar that uses the Sun as a benchmark, the Gregorian calendar or Christian calendar or the calendar of the sun (solar / syamsiyah). While China and the Jewish calendar dating system combines the sun and moon together or use a sun-month calendar system (Luni-solar).
Calendar months is more modest than the solar calendar. Before you set as the Hijri calendar, Arabic and Muslim communities at the time of Prophet Muhammad have used this system, but have not been standardized.
New to the Caliph Umar bin Khattab, the dating system was standardized. The starting point used is the time of the Prophet Muhammad migrated from Mecca to Medina, coinciding with the year 622 AD. Therefore, in the Islamic calendar is called Hijri year.
Gregorian calendar Julian calendar system developed from the time of Julius Caesar in 45 BC. In this calendar, one year exactly 365.25 days, rounded to 365 days. Four years the number of days to 366 days are called leap years.
Go forward one day
However, the actual length of the tropical year is 365.2422 days. As a result, every 128 years old Julian calendar forward one day than I should. That resulted in the resignation of the Passover. As applicable, Easter falls the first Sunday after the first full moon after the sun is on the point of vernal equinox-spring points on March 21.
To resolve that, point the spring should be returned to the right on March 21. So, there should be a reduction in days on the Christian calendar. In 1582 the correction was performed. With reference to the Council of Nicaea that set point spring 325 on March 21, then to return March 21, 1582 exactly at the point of the spring, the number of days in that year should be pruned 10 days. As a result, after the date of October 4, 1582 immediately jumped to the date of October 15, 1582. That is, on 5-14 October 1582 did not exist.
Amendments are also made to the length of the tropical year Julian calendar. Improvements were made physicist from Naples, Aloysius Lilius, using the tropical year length of one period is 365.2425 days.
Repairs are also done on a leap year, the year is divisible by four and the year is divisible by 400. However, the year is divisible by 100 is not called a leap year.
This system was adopted Pope Gregory XIII. That’s why it’s dating system called the Gregorian calendar system, which is now the most widely used for the benefit of public administration around the world until now.