Although the whole month of Ramadan is very important as thus is the best month to seek forgiveness but it is said that in last 10 days and odd nights try to find lalytulqadar, the night which is better than 1000 nights and angel too come down. mostly 27th of Ramadan is lalytulqadar; the night of forgiveness
The Muslim calendar, also known as the Islamic or Hijri calendar, is based on the lunar cycle and has 12 months in a year of 354 or 355 days. It is primarily used for religious purposes. The Gregorian calendar, which is the most widely used calendar in the world, is a solar calendar with 12 months in a year of 365 or 366 days. It is a standard calendar for civil purposes.
Battle of the boyne, and it is the most cause of trouble date in the calendar as well.
Muslim fasting as the fourth pillar of Islam five pillars is required to be performed during the month of Ramadan (the 9th month in the Islamic Lunar Calendar that is called Hijra calendar year). Refer to question below. Most probably Ramadan will start this year by 10 July 2013.
The Bengali date 15 Jyaishtha 1370 corresponds to June 28, 1963, in the English calendar. The Bengali calendar is approximately 594 years ahead of the Gregorian calendar, which is used in most English-speaking countries.
Its on the American calendar most the time.
A time and date calendar can be found on most email portals such as Gmail and Windows Live. One can also access and download a program such as Time And Date.
In Islamic countries.
No. There is the Gregorian calendar (used by Americans, Europeans, and Japanese), a Hebrew calendar, and a Muslim calendar at least. Here's a link to a Chinese calendar and an Indian calendar.
The question as written makes no sense. If you mean "What was the most important Muslim scientific achievement?", see the Related Question below.
Prophet Muhammad (PBUH)
haaj
The Most Important date after Easter and Christmas is Ascension Day.