New International Version (NIV)
4When his son Isaac was eight days old, Abraham circumcised him, as God commanded him.
Genesis 21:4
Genesis 21:4 in 6 English translations. Each links through to the full chapter for context.
New American Standard Bible - NASB (NASB2020)
4Then Abraham circumcised his son Isaac when he was eight days old, as God had commanded him.
New American Standard Bible - NASB 1995 (NASB1995)
4Then Abraham circumcised his son Isaac when he was eight days old, as God had commanded him.
Amplified Bible (AMP)
4So Abraham circumcised his son Isaac when he was eight days old, just as God had commanded him.
Berean Standard Bible (BSB)
4When his son Isaac was eight days old, Abraham circumcised him, as God had commanded him.
New International Reader’s Version (NIrV)
4When his son Isaac was eight days old, Abraham circumcised him. He did it exactly as God had commanded him.