Fasting Can Be Done On The Sunday Monday OR Monday Tuesday Today After Maghrib In The UK, The 6th Of Muharram Began Saturday After Maghrib The 9th Will Begin Whilst The 10th Will Begin After Maghrib On Sunday Lasting Till Maghrib On Monday When Is 10th Muharram 2011 In The UK? 10th Muharram 1433 - Monday 5th December 2011