Psalm 90:4
For a thousand years in your sight are but as yesterday when it is past, and as a watch in the night.
Nave's Topical Index—AKJV

2 Peter 3:8
But, beloved, be not ignorant of this one thing, that one day is with the Lord as a thousand years, and a thousand years as one day.
Nave's Topical Index—AKJV