On which day was a double portion of manna gathered?

Answer

"And it came to pass, that on the sixth day they gathered twice as much bread, two omers for one man: and
all the rulers of the congregation came and told Moses." Verse 22.

After Pentecost, how was the gospel preached?
Did this doctrine exist in ancient times?
What reference is made in the Psalms to Christ's use of parables?
Is there any limit to God's ability to help?
How long will they reign?
Why was Christ declared worthy to open these seals?
What gives us the victory in our conflict with the world?

Questions & Answers are from the book Bible Readings for the Home Circle