Ayatullah Sistani (May Allah SWT protect him)A rationale for beginning of Shawwal 1432AH agreed by Hilal Advisory Team has been forwarded to Najaf for guidance from His Eminence. HAT will publish the statement upon receipt Insha'Allah
Marhoom Ayatullah Syed Al Khui (RA)
Based on the ruling of unity of horizons, and sharing of the night, There is a distinct possibility of sighting of the crescent in South America on Monday, 29 August 2011. Europe shares night with South America.
Please observe the prediction of the astronomers below
Moonsighting.com - Easily visible with naked eye http://www.moonsighting.com/1432shw.html
Islamic Crescent Observation - Easily visible with naked eye http://www.icoproject.org/icop/shw32.html
Moon Watch - Easily visible with naked eye http://astro.ukho.gov.uk/moonwatch/nextnewmoon.html
Staff.science.uu.nl - Easily visible with naked eye http://www.staff.science.uu.nl/~gent0113/islam/islam_lunvis.htm
The following is a ruling of Marhum Ayatullah Khui.
1741. The first day of a month will not be proved by the prediction made by the astronomers. However, if a person derives full satisfaction and certitude from their findings, he should act accordingly.
Based on the above 1st Shawwal 1432AH will be on Tuesday, 30 August 2011, For the Muqallideen of Marhum Ayatullh Khui who derive satisfaction from the calculations and predictions of astronomers.