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.
Then keep the feast of weeks to the Lord your God, with an offering freely given to him from the wealth he has given you:
And the feast of the grain-cutting, the first-fruits of your planted fields: and the feast at the start of the year, when you have got in all the fruit from your fields.
And you are to keep the feast of weeks when you get in the first-fruits of the grain, and the feast at the turn of the year when you take in the produce of your fields.
And let seven full weeks be numbered from the day after the Sabbath, the day when you give the grain for the wave offering;
And at the time of the first-fruits, when you give an offering of new meal to the Lord at your feast of weeks, there is to be a holy meeting: you may do no field-work:
2 Chronicles 8:13
Offering every day what had been ordered by Moses, on the Sabbaths and at the new moon and at the regular feasts three times a year, that is at the feast of unleavened bread, the feast of weeks, and the feast of tents.
And when the day of Pentecost was come, they were all together in one place.
1 Corinthians 16:8
But I will be at Ephesus till Pentecost;
For this reason there is the more need for us to give attention to the things which have come to our ears, for fear that by chance we might be slipping away.