| Full name: | Arthur Percival Day |
| Born: | 10th April 1885, Blackheath, Kent, England |
| Died: | 22nd January 1969, Budleigh Salterton, Devon, England |
| Batting: | Right-hand batter |
| Bowling: | Leg-break, Right-arm fast |
| Education: | Malvern College |
| Relations: | Brother-in-law: C Toppin; Brother: SE Day; Brother: SH Day; Nephew: AS Day; Nephew: CG Toppin; Nephew: JFT Toppin; Son: DAS Day |
| Teams: | Kent (Main FC: 1905-1925); All teams |
| Malvern College Captain: 1903 - 1904 | |
| Kent cap: 1905 | |
| Wisden Cricketer of the Year: 1910 | |
| Lists of matches and more detailed statistics | |
| First-Class Career Batting and Fielding (1905-1925) | ||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | Ct | ||
| Overall | 157 | 243 | 25 | 7174 | 184* | 32.90 | 13 | 38 | 92 | |
| First-Class Career Bowling (1905-1925) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | SRate | Econ | |
| Overall | 7333 | 236 | 3480 | 132 | 8-49 | 26.36 | 4 | 0 | 55.55 | 2.84 |