# the twenty-third day of the seventh month

The seventh month of the Hebrew calendar and near the middle of October on Western calendars.

# to their tents

"to their homes". This refers to people's homes, which were houses, not tents. 

# with glad and joyful hearts

"with very glad hearts" or "and they were very joyful" 

# because of the goodness that Yahweh had shown

"because Yahweh had shown wonderful goodness" or "because Yahweh had been so good"

# Israel, his people

"Israel, God's people." This emphasizes God's faithfulness to Israel.