Time and Eternity

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Across
  1. 3. Momentary period
  2. 7. Timeless and infinite
  3. 8. Relating to time
  4. 11. Everlasting and continuous
  5. 12. Never-ending and eternal
  6. 14. Immense time period
  7. 16. Length of time
  8. 17. Infinite time
  9. 18. Current time
  10. 19. Long period
Down
  1. 1. Time duration
  2. 2. Without age or time
  3. 4. Enduring and ageless
  4. 5. Historical age
  5. 6. Brief instant
  6. 9. Brief and fleeting
  7. 10. Thousand years
  8. 13. Distinct time period
  9. 15. Endlessly and permanently
  10. 19. Period of existence