# day by day

This idiom means "each day." (See: [[rc://en/ta/man/jit/figs-idiom]])

# from the first day to the last

The implied information is that it was during the entire week of the festival. Alternate translation: "from the first day to the last day of the week" (See: [[rc://en/ta/man/jit/figs-explicit]])

# They kept the festival

"They made a feast" or "They celebrated the festival"

# on the eighth day

"on day 8" (See: [[rc://en/ta/man/jit/translate-ordinal]])

# solemn assembly

This was a special religious gathering.

# in obedience to the decree

The implied information is that "the decree" was the command of Yahweh about how the Festival of Shelters was to end. Alternate translation: "as God had commanded" (See: [[rc://en/ta/man/jit/figs-explicit]])