Question: 1: What is the ruling on relying on a calendar to determine the beginning of Ramadaan?
Q 2: If the calendar shows that Sha`baan is twenty nine days, then on the twenty-ninth of Sha`baan it gets cloudy and rain falls to a degree that we cannot sight the new moon of Ramadaan and we don’t hear anything about it, should people begin fasting or not?
Q 3: The Messenger of Allaah (peace be upon him) said: We are an unlettered Ummah ‘nation’; we do not write or calculate. What is meant by this Hadeeth?
Q 4: The Messenger of Allaah said that whoever believes what the soothsayer says is a disbeliever in what was revealed to Muhammad (peace be upon him), and Shaykh Aboo Bakr Al-Jazaa’iree explained that the sorcerer is someone who foretells the unknown future. So what is the ruling on the calendar which determines the whole year, day by day?
Q 5: The Messenger said that we should complete the month of Sha`baan thirty days when we are unable to sight the new moon of Ramadaan. Should we follow that method or the calendar?
Q 6: What is the difference between the stars and the calendar as far as Tawheed (belief in the Oneness of Allaah) is concerned?
Q 7: The Qur’aan forbids following Taghoot (false gods), then what is the ruling on the makers of calendars?
Answer: Firstly: The Council of Senior Scholars in the Kingdom of Saudi Arabia have previously discussed the question of sighting the new moon by means of calculations, and issued a decree, which reads the following: The Council of Senior Scholars considered the matter of depending upon calculations in sighting the new moon, and all the relevant evidence from the Qur’aan and the Sunnah (whatever is reported from the Prophet)… read more here.