Solomon offered sacrifices to the Lord on the altar which he had built in front of the Temple.
He offered burnt offerings according to the requirements of the Law of Moses for each holy day: Sabbaths, New Moon Festivals, and the three annual festivals - the Festival of Unleavened Bread, the Harvest Festival, and the Festival of Shelters. 1
References for 2 Chronicles 8:13
8.13 a Nu 28.9, 10; b Nu 28.11-15; c Ex 23.14-17; 34.22, 23; Nu 28.16--29.39; Dt 16.16.
Following the rules laid down by his father David, he organized the daily work of the priests and of the Levites who assisted the priests in singing hymns and in doing their work. He also organized the Temple guards in sections for performing their daily duties at each gate, in accordance with the commands of David, the man of God.
The instructions which David had given the priests and the Levites concerning the storehouses and other matters were carried out in detail.
By this time all of Solomon's projects had been completed. From the laying of the foundation of the Lord's Temple to its completion, all the work had been successful.
Then Solomon went to Eziongeber and Elath, ports on the shore of the Gulf of Aqaba, in the land of Edom.
King Hiram sent him ships under the command of his own officers and with experienced sailors. They sailed with Solomon's officers to the land of Ophir and brought back to Solomon about sixteen tons of gold.