Acts 2:15

For these men [i.e., the twelve apostles] are not drunk as you suppose, since it is only nine o'clock in the morning. [Note: The use of Jewish time calculations are employed in this verse].

Matthew 20:3

He went out about nine o'clock in the morning and saw other unemployed laborers standing [around] in the open shopping market.

1 Thessalonians 5:5-8

for all of you people belong to the light; you belong to the daytime. We do not belong to the night or to darkness. [Note: In this passage "light" and "daytime" refer to spiritual illumination, while "darkness" and "night" refer to spiritual ignorance].

Treasury of Scripture Knowledge

Summary

For these are not drunken, as ye suppose, seeing it is but the third hour of the day.

Bible References

Seeing

Matthew 20:3
He went out about nine o'clock in the morning and saw other unemployed laborers standing [around] in the open shopping market.
1 Thessalonians 5:5
for all of you people belong to the light; you belong to the daytime. We do not belong to the night or to darkness. [Note: In this passage "light" and "daytime" refer to spiritual illumination, while "darkness" and "night" refer to spiritual ignorance].