Luke 4:25

I also tell you of a truth, that there were many widows in Israel in the days of Elijah, when heaven was shut up three years and six months, so that there was a great famine over all the land;

James 5:17

Elijah was a man of like passions with us, and he prayed that it might not rain, and it rained not on the land for three years and six months;

Treasury of Scripture Knowledge

Summary

And there shall arise after them seven years of famine; and all the plenty shall be forgotten in the land of Egypt; and the famine shall consume the land;

Seven years

Bible References

Seven years

Luke 4:25
I also tell you of a truth, that there were many widows in Israel in the days of Elijah, when heaven was shut up three years and six months, so that there was a great famine over all the land;
James 5:17
Elijah was a man of like passions with us, and he prayed that it might not rain, and it rained not on the land for three years and six months;