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 ps = 3.1688e-22 cent
1 cent = 3,155,760,000,000,000,000,000 ps
例子:
将15 picsecond转换为世纪：
15 ps = 4.7532e-21 cent
| picsecond | 世纪 |
|---|---|
| 0.01 ps | 3.1688e-24 cent |
| 0.1 ps | 3.1688e-23 cent |
| 1 ps | 3.1688e-22 cent |
| 2 ps | 6.3376e-22 cent |
| 3 ps | 9.5064e-22 cent |
| 5 ps | 1.5844e-21 cent |
| 10 ps | 3.1688e-21 cent |
| 20 ps | 6.3376e-21 cent |
| 30 ps | 9.5064e-21 cent |
| 40 ps | 1.2675e-20 cent |
| 50 ps | 1.5844e-20 cent |
| 60 ps | 1.9013e-20 cent |
| 70 ps | 2.2182e-20 cent |
| 80 ps | 2.5350e-20 cent |
| 90 ps | 2.8519e-20 cent |
| 100 ps | 3.1688e-20 cent |
| 250 ps | 7.9220e-20 cent |
| 500 ps | 1.5844e-19 cent |
| 750 ps | 2.3766e-19 cent |
| 1000 ps | 3.1688e-19 cent |
| 10000 ps | 3.1688e-18 cent |
| 100000 ps | 3.1688e-17 cent |
规则