Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| 5 O' Clock World (CD, Maxi) | Island Records | CIDP 399 | UK | 1988 | |
| 5 O' Clock World (12", Promo) | Island Records | DMD 1288 | US | 1988 | |
| 5 O' Clock World (7") | BMG | 111 913 | Europe | 1988 | |
| 5 O'Clock World (10") | Island Records | 10 IS 399 | UK | 1988 | |
| 5 O'Clock World (12") | Island Records | 12 IS 399 | UK | 1988 | |
| 5 O'Clock World (7") | Island Records | 7-99241 | US | 1988 | |
| 5 O'Clock World (7", Pap) | Island Records | IS 399 | UK | 1988 | |
| 5 O'Clock World (7", Sil) | Island Records | IS 399 | UK | 1988 | |
| 5 O'Clock World (7", Single) | Festival Records, Island Records | K 701, IS 399 | Australia | 1988 |