It is narrated from Hazrat Abu Huraira (may Allah be pleased with him) that the Prophet (peace and blessings of Allah be upon him) said: The fasting person experiences two moments of joy and happiness; when he breaks his fast, he is happy, and there will be another happiness in the Hereafter.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 8550
Hadith Gradingحکم دارالسلام:حدیث صحیح ، الإسناد الأول حسن ، والثاني صحیح ، خ : 7492 ، م : 1151