| 1968 |
| 366 days |
| 2012, e.g. |
| 2008, e.g. |
| 1984, e.g. |
| 2004, e.g. |
| 2000, e.g. |
| 2008 is one |
| 1776 or 1984 |
| 1980 or 1984 |
| 2000 or 2004 |
| 2008 or 2012 |
| Flying time? |
| 1776 or 2000 |
| 2000, for one |
| 2012, for one |
| 2020, for one |
| What 1988 was |
| 366-day period |
| 2004 occurrence |
| Spinsters' time |
| 2004, but not 2003 |
| Period of 366 days |
| Calendar phenomenon |
| 2016 is the next one |
| The next one is 2016 |
| 2012 is the next one |
| Quadrennial occurrence |
| February 29 falls in one |
| Period with a February 29th |
| When February 29 occurs: 2 wds. |
| When presidential elections occur |