Strong's G2183 ἐφημερία (ephemeria)

And these were the singers, heads of families of the Levites, to whom were established daily courses, for they were employed in the services day and night.

And David divided them into daily courses, for the sons of Levi, for Gershon, Kohath, and Merari.

And they also cast lots for the daily courses, for the great and the small of them, of the perfect ones and the learners.

To these were assigned the divisions of the gates, to the chiefs of the mighty men the daily courses, even their brethren, to minister in the house of the Lord.

And David assembled all the chief men of Israel, the chief of the judges, and all the chief men of the courses of attendance on the person of the king, and the captains of thousands and hundreds, and the treasurers, and the lords of his substance, and of all the king’s property, and of his sons, together with the eunuchs, and the mighty men, and the warriors of the army, at Jerusalem.

and the plan of the courses of the priests and Levites, for all the work of the service of the house of the Lord, and of the stores of vessels for ministration of the service of the house of the Lord.

And see, here are the courses of the priests and Levites for all the service of the house of the Lord, and there shall be with thee men for every workmanship, and everyone of ready skill in every art: also the chief men and all the people, ready for all thy commands.

And it came to pass, when the priests went out of the holy place (for all the priests that were found were sanctified, they were not then arranged according to their daily course),

But we have not forsaken the Lord our God, and his priests, the sons of Aaron, and the Levites, minister to the Lord; and in their daily courses

And the Levites and all Judah did according to all that the priest Jehoiada commanded them, and they took each his men from the beginning of the Sabbath to the end of the Sabbath, for Jehoiada the priest did not dismiss the courses.

And Jehoiada the priest committed the works of the house of the Lord into the hand of the priests and Levites, and he re-established the courses of the priests and Levites which David appointed over the house of the Lord, and he appointed them to offer whole burnt offerings to the Lord, as it is written in the law of Moses, with gladness, and with songs by the hand of David.

And Hezekiah appointed the courses of the priests and the Levites, and the courses of each one according to his ministry, to the priests and to the Levites, for the whole burnt offering, and for the peace offering, and to praise, and to give thanks, and to minister in the gates and in the courts of the house of the Lord.

by the hand of Eden, and Miniamin, and Jeshua, and Shemaiah, and Amariah, and Shecaniah, by the hand of the priests faithfully, to give to their brethren according to the courses, as well to great as small;

besides the increase of males from three years old and upward, to everyone entering into the house of the Lord, a portion according to a daily rate, for service in the daily courses of their order.

This is the distribution of the priests according to the houses of their families; and the Levites in their daily courses from twenty years old and upward were in their order,

And prepare yourselves according to the houses of your families, and according to your daily courses, according to the writing of David king of Israel, and the order by the hand of his son Solomon.

Also Bakbukiah and Unni, their brethren, were over against them in the watches.

And the chief of the Levites: Hashabiah, Sherebiah, and Jeshua the son of Kadmiel, with their brethren over against them, to praise and to give thanks, according to the commandment of David the man of God, ward over against ward.

Thus cleansed I them from all strangers, and appointed the wards of the priests and the Levites, every one in his business;

THERE was in the days of Herod, the king of Judaea, a certain priest named Zacharias, of the course of Abia: and his wife was of the daughters of Aaron, and her name was Elisabeth.

And it came to pass, that while he executed the priest's office before God in the order of his course,

having set the priests according to their daily courses, being arrayed in long garments, in the temple of the Lord.

The holy singers also, the sons of Asaph, were in their order, according to the appointment of David, to wit, Asaph, Zechariah, and Jeduthun, who was of the king’s retinue.