We were with Buraida in a battle on a cloudy day

Hadith of the day 

Narrated Abu Al-Mahh: We were with Buraida in a battle on a cloudy day and he said, "Offer the Asr prayer early as the Prophet said, "Whoever leaves the 'Asr prayer, all his (good) deeds will be annulled."

 [Sahih al-Bukhari 553]