In this period the holy book Quran was sent to Muhammed.
Students and academics at Birmingham City University in the United Kingdom have come up with a guide featuring tips to support the wellbeing of those who fast and to help them retain as much energy as possible throughout the day.
The announcement was made after the Saudi moon-sighting committee met on Tuesday evening and were not able to sight the Ramadan crescent, Al Arabiya reported.
The lunar month lasts between 29 and 30 days depending on the sighting of the moon.
The holy Ramadan 2018 month for Muslims may begin from May 17 in India. But Ramazan is more than that.
Fasting is one of Islam's five pillars, alongside declaration of monotheism, prayer five times a day, alms-giving, and the pilgrimage to Mecca in Saudi Arabia.
Fasting is meant to bring the faithful closer to God and remind them of those less fortunate.
Fasting is a way to clean the soul and have sympathy for those in the world who are hungry and less fortunate.
They are also forbidden from sexual relations, false speech or fighting, save for self defence and those who are pregnant, menstruating, breastfeeding, diabetic or old are exempt from fasting.
Lauran and Haseeb will be cooking a kosher meal for us, and together we will break the fast with new friends and conversation.
Fasting, or the abstinence from food and drink from sunrise to sunset, develops a quality called taqwa, or the awareness that Allah is always watching. The exact minute that it's ok to eat is signalled by the fourth call to prayer at dusk. Longest fasting takes place In Iceland's capital Reykjavik with 19 hours and 43 minutes, followed by Finland's capital Helsinki with 18 hours and 47 minutes, Stockholm, Oslo and Copenhagen with more than 18 hours. Be patient with the hungry Turks you encounter - fasters can be a bit on the grumpy side. So they said that Ramadan will start from 17th of May. Join in the festivities to celebrate the holy month with local people.
Here's everything you need to know about Ramadan, when does Ramadan end and what is Eid al-Fitr?
"The month of Ramadan is that in which was revealed the Quran; a guidance for mankind, and clear proofs of the guidance, and the criterion (of right and wrong)".