Exodus 23:15-17 The Message (MSG)
15 “Hold the spring Festival of Unraised Bread when you eat unraised bread for seven days at the time set for the month of Abib, as I commanded you. That was the month you came out of Egypt. No one should show up before me empty-handed.
16 “Hold the summer Festival of Harvest when you bring in the firstfruits of all your work in the fields.
“Hold the autumn Festival of Ingathering at the end of the season when you bring in the year’s crops.
17 “Three times a year all your males are to appear before the Master, God.