'Old' in the Bible

Then tell the Israelites: 'Take a male goat for a sin offering and a calf and lamb, both a year old and flawless, for a burnt offering,

"'When the days of her purification are completed for a son or for a daughter, she must bring a one year old lamb for a burnt offering and a young pigeon or turtledove for a sin offering to the entrance of the Meeting Tent, to the priest.

and you may sow the eighth year and eat from that sixth year's produce -- old produce. Until you bring in the ninth year's produce, you may eat old produce.

the conversion value of the male from twenty years old up to sixty years old is fifty shekels by the standard of the sanctuary shekel.

If the person is from five years old up to twenty years old, the conversion value of the male is twenty shekels, and for the female ten shekels.

If the person is one month old up to five years old, the conversion value of the male is five shekels of silver, and for the female the conversion value is three shekels of silver.

If the person is from sixty years old and older, if he is a male the conversion value is fifteen shekels, and for the female ten shekels.