Acts 2:1

And on the day of Pentecost they were all together in one place.

1 Corinthians 16:8

But I shall remain at Ephesus until the Pentecost;

Hebrews 2:1

Therefore we ought to give the more earnest heed to the things which we have heard, lest haply we let them slip.

Treasury of Scripture Knowledge

Summary

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.

Bible References

General references

Acts 2:1
And on the day of Pentecost they were all together in one place.
1 Corinthians 16:8
But I shall remain at Ephesus until the Pentecost;
Hebrews 2:1
Therefore we ought to give the more earnest heed to the things which we have heard, lest haply we let them slip.