Deuteronomy 16:9
Seven weeks shalt thou number unto thee; begin to number the seven weeks from such time as thou shalt begin to put the sickle to the grain.
Exodus 23:16
And the feast of the harvest of the firstfruits of thy labours, which thou hast sown in the field, and the feast of ingathering, which is in the end of the year, when thou hast gathered in thy labours out of the field.
Exodus 34:22
And thou shalt keep the feast of weeks, of the firstfruits of the reaping of the wheat, and the feast of ingathering at the year's end.
Acts 2:1
And when the day of Pentecost was fully come, they were all with one accord in one place.
Leviticus 23:15-16
And ye shall count unto you from the day after the sabbath, from the day that ye offered the sheaf of the wave offering; seven sabbaths shall be complete;
Numbers 28:26-30
Also in the day of the firstfruits, when ye offer a new present unto the LORD in your fulfilled weeks, ye shall have a holy convocation; ye shall do no servile work.
Deuteronomy 16:10
And thou shalt do the solemn feast of weeks unto the LORD thy God; out of the voluntary abundance of thy hand thou shalt give, according as the LORD thy God has blessed thee.
Deuteronomy 16:16
Three times each year shall all thy males appear before the LORD thy God in the place which he shall choose: in the solemn feast of unleavened bread and in the solemn feast of weeks and in the solemn feast of the tabernacles. And they shall not appear before the LORD empty,
2 Chronicles 8:13
that each thing might be offered in its day, according to the commandment of Moses, on the sabbaths and on the new moons and on the feasts three times in the year, that is in the feast of unleavened bread and in the feast of weeks and in the feast of the tabernacles.
1 Corinthians 16:8
But I will tarry at Ephesus until Pentecost.
Hebrews 2:1
Therefore, it is necessary that we with more diligence keep the things which we have heard, so that we do not fall.