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The 'timezone' is taken from the system clock.| 1st day of each month | mean abs. error |
stand. dev. |
| local mean sidereal time |
1.6 s |
0.3 s |
| declination | 0.0006° | 0.0004° |
| longitude | 0.002° | 0.001° |
| Right Ascension | 0.8 s |
0.6 s |
| Equation of Time | 0.6 s |
0.5 s |
| Jan 1 of each year | mean abs. error |
stand. dev. |
| local mean sidereal time |
1.5 s | 0.3 s |
| declination | 0.0003° | 0.0002° |
| longitude | 0.0025° | 0.0016° |
| Right Ascension | 0.7 s |
0.6 s |
| Equation of Time | 0.8 s |
0.6 s |