'Evening Sacrifice' in the Bible

Then everyone who trembled at the words of the God of Israel gathered together as a group because of the sin committed by those who had been led astray. As for me, I remained seated, in shock, until the evening sacrifice.

At the time of the evening sacrifice, I arose from my discouragement. Still in my torn garment and robe, I fell to my knees with my hands outstretched to the LORD my God,