| Month | Seconds |
| ----------- | ---------: |
| January | 0 |
| February | 2,678,400 |
| March | 5,097,600 |
| April | 7,776,000 |
| May | 10,368,000 |
| June | 13,046,400 |
| July | 15,638,400 |
| August | 18,316,800 |
| September | 20,995,200 |
| October | 23,587,200 |
| November | 26,265,600 |
| December | 28,857,600 |