Advent originally was a time of instruction, prayer, fasting and self-reflection, in preparation to be baptized in the new year.
Minor Prophets: Haggai, Sukkot
A month into the work, but the people's spirits were flagging, and they needed a word from the Lord to lift them up. Thankfully, soon it would be Sukkot, the Festival of Booths, and Haggai knew God had something to give them that would bring them great joy.