PRI's The World Published by PRI's The World Not all Muslims agree on Ramadan's start and end date Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/390975/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend Some Muslim look to the night sky for signs indicating the start and end of Ramadan. Others look to astronomical calculations for an answer. Correspondent Hana Baba says the two methods peaceably coexist.