时间是发生的事件序列，以秒，分钟和小时等单位进行测量。
1 sdy = 31,558,149.54 s
1 s = 3.1688e-8 sdy
例子:
将15 恒星年转换为第二：
15 sdy = 473,372,243.1 s
| 恒星年 | 第二 |
|---|---|
| 0.01 sdy | 315,581.495 s |
| 0.1 sdy | 3,155,814.954 s |
| 1 sdy | 31,558,149.54 s |
| 2 sdy | 63,116,299.08 s |
| 3 sdy | 94,674,448.62 s |
| 5 sdy | 157,790,747.7 s |
| 10 sdy | 315,581,495.4 s |
| 20 sdy | 631,162,990.8 s |
| 30 sdy | 946,744,486.2 s |
| 40 sdy | 1,262,325,981.6 s |
| 50 sdy | 1,577,907,477 s |
| 60 sdy | 1,893,488,972.4 s |
| 70 sdy | 2,209,070,467.8 s |
| 80 sdy | 2,524,651,963.2 s |
| 90 sdy | 2,840,233,458.6 s |
| 100 sdy | 3,155,814,954 s |
| 250 sdy | 7,889,537,385 s |
| 500 sdy | 15,779,074,770 s |
| 750 sdy | 23,668,612,155 s |
| 1000 sdy | 31,558,149,540 s |
| 10000 sdy | 315,581,495,400 s |
| 100000 sdy | 3,155,814,954,000 s |
规则