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 = 31,558,149,539,999,996 ns
1 ns = 3.1688e-17 sdy
例子:
将15 恒星年转换为纳秒：
15 sdy = 473,372,243,099,999,940 ns
| 恒星年 | 纳秒 |
|---|---|
| 0.01 sdy | 315,581,495,399,999.94 ns |
| 0.1 sdy | 3,155,814,954,000,000 ns |
| 1 sdy | 31,558,149,539,999,996 ns |
| 2 sdy | 63,116,299,079,999,990 ns |
| 3 sdy | 94,674,448,619,999,980 ns |
| 5 sdy | 157,790,747,699,999,970 ns |
| 10 sdy | 315,581,495,399,999,940 ns |
| 20 sdy | 631,162,990,799,999,900 ns |
| 30 sdy | 946,744,486,199,999,900 ns |
| 40 sdy | 1,262,325,981,599,999,700 ns |
| 50 sdy | 1,577,907,476,999,999,700 ns |
| 60 sdy | 1,893,488,972,399,999,700 ns |
| 70 sdy | 2,209,070,467,799,999,700 ns |
| 80 sdy | 2,524,651,963,199,999,500 ns |
| 90 sdy | 2,840,233,458,599,999,500 ns |
| 100 sdy | 3,155,814,953,999,999,500 ns |
| 250 sdy | 7,889,537,385,000,000,000 ns |
| 500 sdy | 15,779,074,770,000,000,000 ns |
| 750 sdy | 23,668,612,154,999,996,000 ns |
| 1000 sdy | 31,558,149,540,000,000,000 ns |
| 10000 sdy | 315,581,495,399,999,900,000 ns |
| 100000 sdy | 3,155,814,953,999,999,700,000 ns |
规则