What could tomorrow be….?

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Across
  1. 3. not days
  2. 4. Xmas happens this time of the year
  3. 7. milestone
  4. 9. not sad
  5. 10. half of 12
  6. 11. not-me
Down
  1. 1. heart
  2. 2. opposite of less
  3. 5. Mark end of month
  4. 6. not adult
  5. 8. people put these on there calendar