| Regnal year | Easter Sunday | |||||||||||||
| 1 Richard III 26 June 1483 -25 June 1484 |
18 April 1484 | June | July | August | September | October | November | December | January | February | March | April | May | June |
| 2 Richard III 26 June 1484 -25 June 1485 |
3 April 1485 | June | July | August | September | October | November | December | January | February | March | April | May | June |
| 3 Richard III 26 June 1485 -22 August 1485 |
June | July | August | |||||||||||