מַֽה־תַּעֲשׂ֖וּ לְי֣וֹם מוֹעֵ֑ד וּלְי֖וֹם חַג־יְהוָֽה׃
Que fareis vós no dia da solenidade, e no dia da festa do SENHOR?
Rashi
for the appointed day For the day of the set time for the enemy to be appointed to come upon you.
Rashi
the Lord’s massacre Heb. חַג, a slaughter, the killing which I have in you.