How long did the Israelites celebrate each Feast?

1. Pesach (Passover): 1 day

2. Feast of Unleavened Bread: 7 days

3. Feast of First Fruits: 1 day

4. Shavuot (Pentecost): 1 day

5. Feast of Trumpets (Yom Te'Ruah): 1 day

6. Day of Atonement (Yom Kippur): 1 day

7. Feast of Tabernacles (Sukkot): 7 days