KnownMonthName enum
服务接受的 MonthName 已知值。
字段
| April | 4 月值 |
| August | 8 月值 |
| December | 12 月值 |
| February | 2 月值 |
| January | 1 月值 |
| July | 7 月值 |
| June | 6 月值 |
| March | 3 月值 |
| May | 五月值 |
| November | 11 月值 |
| October | 10 月值 |
| September | 9 月值 |