Eid-e-Milad, a Muslim festival also known as Mawlid and Milad-Un Nabi is celebrated in most countries today. While it falls on December 1 in a lot of countries, in some places the day is celebrated on November 30. The changes in date are due to the lunar calendar it follows. In India, Mawlid will begin in the evening of December 1 end in the evening of December 2. The celebrations extend until December 2, 2017, as the moon has not been sighted. Karnataka and Telangana changed the date to December 2 due to the same reasons.
The date which is believed to Prophet Muhammad's birthday also varies between the two branches of Islam - the Sunnis and the Shia Muslims.
For Sunnis, the day is said to fall on the 12th day of the third month of the Islamic calendar called Rabi’ al-aawal. But Shias believe that Prophet Muhammad was actually born on the 17th day of the month.
Mawlid is celebrated in most Muslim countries with street processions and decorations on homes and mosques to mark the occasion.
In India and Pakistan, Eid-e-Milad is an important day for Muslims. But is not celebrated in Saudi Arabia or Qatar.
Earlier this week Indian Prime Minister Narendra Modi said: "A few days from now, the pious occasion of Id-e-Milad-un-Nabi will be observed.
Prime Minister Narendra Modi has greeted the nation of the occasion of Milad-un-Nabi, which marks the birthday of Prophet Muhammad.
The Prime Minister took to Twitter and said, "Greetings on Id-E-Milad. May the teachings of Prophet Mohammad further the spirit of harmony in our society."