Treasury of Scripture Knowledge
Seven weeks shalt thou number unto thee: begin to number the seven weeks from such time as thou beginnest to put the sickle to the corn.
And thou shalt hold the feast of weeks to Jehovah thy God with a tribute of a voluntary-offering of thy hand, which thou shalt give, according as Jehovah thy God hath blessed thee;
and the feast of harvest, the first-fruits of thy labours which thou hast sown in the field, and the feast of in-gathering, at the end of the year, when thou gatherest in thy labours out of the field.
And thou shalt observe the feast of weeks, of the first-fruits of wheat-harvest, And the feast of ingathering at the turn of the year.
And ye shall count from the morning after the sabbath, from the day that ye brought the sheaf of the wave-offering, seven weeks; they shall be complete;
And on the day of the first-fruits, when ye present a new oblation to Jehovah, after your weeks, ye shall have a holy convocation: no manner of servile work shall ye do.
2 Chronicles 8:13
even as the duty of every day required, offering according to the commandment of Moses, on the sabbaths, and on the new moons, and at the set feasts, three times in the year, at the feast of unleavened bread, and at the feast of weeks, and at the feast of tabernacles.
And when the day of Pentecost was now accomplishing, they were all together in one place.
1 Corinthians 16:8
But I remain in Ephesus until Pentecost.
For this reason we should give heed more abundantly to the things we have heard, lest in any way we should slip away.