Valmiki Ramayana Bala Kanda Sarga 74 Shloka 15

सूर्य: Sun, तमसा with darkness, संवृत: covered, सर्वा: all, दिश: cardinal quarters, न प्रबभु: did not shine, तत् that, सर्वम् all, बलम् army, भस्मना with ashes, आवृतं covered with, संमूढमिव as if fainted.

The Sun was wrapped in dark. The quarters were devoid of brightness. The entire army was covered with ashes, as if they fainted.