Complete
00:00:00
6 7 10 13 17 21 23 1 14 2 12 11 3 16 22 15 4 8 20 18 5 19 9
  1. 1a Exuberant (10)
  2. 7a Accuse of a wrong (7)
  3. 8a Firework (disappointing, if damp) (5)
  4. 10a Hairy Himalayan humanoid (4)
  5. 11a Move on water by standing on a board with a sail (8)
  6. 13a South American cowboy (6)
  7. 15a Biological catalyst (6)
  8. 17a Servitude (8)
  9. 18a Old Bill (slang) (4)
  10. 21a Careful user of a piggy bank? (5)
  11. 22a Refuse container (7)
  12. 23a Brass musical instrument (6,4)
  13. 1d Incinerated (5)
  14. 2d Wading bird with a down-curved bill (4)
  15. 3d Game that depends on service (6)
  16. 4d Hotel guest staying for a prolonged period (8)
  17. 5d Montevideo's country (7)
  18. 6d Inflammation making it difficult to speak (10)
  19. 9d Neutral area between two rival powers (6,4)
  20. 12d Little ones (8)
  21. 14d Against the current (7)
  22. 16d Seat for passengers on the back of an elephant (6)
  23. 19d Citified (5)
  24. 20d European capital, known until 1924 as Christiania (4)