Dates for the start and end of Ramadan in 2012 are available below:
|Date (2012)||Times of first sighting and setting of the crescent Moon*|
|20 July||Crescent moon not visible||Crescent moon not visible||Crescent moon not visible||Crescent moon not visible|
|21 July||Crescent moon easily visible around 21:19; sets 21:38||Crescent moon easily visible around 21:34; sets 21:49||Crescent moon easily visible around 21:33; sets 21:47||Crescent moon easily visible around 21:51; sets 22:00|
|18 Aug||Crescent moon not visible||Crescent moon not visible||Crescent moon not visible||Crescent moon not visible|
|19 Aug||Crescent moon visible under perfect conditions around 20:20
|Crescent moon visible under perfect conditions around 20:31; sets 20:36||May need optical aid to view crescent moon, 20:29; sets 20:33||May need optical aid to view crescent moon, 20:43; sets 20:43|
*Times are BST not GMT, and may not correspond exactly with the official (religious) sighting of the crescent moon.
The dates of Ramadan and other Islamic months depend on the sighting of the new crescent Moon.
Information on the visibility of the Moon from anywhere in the world is available from HM Nautical Almanac Office’s Websurf facilty: