The answer is: 7 Days of the Feast of Tabernacles

Leviticus 23:34-36 - The Feast of Tabernacles, or Sukkot, commemorates Israel's wilderness journey and God's provision. It emphasizes community and gratitude, highlighting the importance of remembering divine blessings. Interestingly, this feast foreshadows future harvest celebrations in Revelation, illustrating a connection between Jewish traditions and New Testament fulfilment.