Q: WHAT YEAR WAS ISHMAEL BORN?
A: IT DEPENDS WHAT CALENDAR YOU ARE USING!
On the Gregorian calendar (the one you might have on your wall) the year was 1947 BC.
On the Hebrew calendar, sometimes called the biblical calendar, the year was 2100 AM.
Genesis 16:16 – And Abram was fourscore and six years old, when Hagar bare Ishmael to Abram.