Isaiah 13:10 describes the Day of the Lord with darkened sun and stars, directly paralleling Amos's 'darkness and not light'. Strong thematic link.

Job 15:23 mentions 'the day of darkness' ready for the wicked, directly paralleling Amos's description.

Joel 2:11 describes the Day of the LORD as great and terrible, reinforcing its darkness and terror.

Matthew 24:29 describes the sun darkened at Jesus' coming, echoing the Day of the LORD imagery.

Mark 13:24 similarly describes the sun darkened, paralleling the cosmic signs of the Day of the LORD.

Job 3:4-6 curses a day with darkness, similar to Amos's description of the Day of the Lord as darkness. Both focus on light withheld.