| 1. | Solar calendars assign a " date " to each mean solar day.
|
| 2. | Currently a mean solar day is about 86, 400.002 SI seconds.
|
| 3. | Earth's rotational speed is very slowly decreasing because of mean solar day.
|
| 4. | A mean solar day is, therefore, nearly 4 minutes longer than a sidereal day.
|
| 5. | The mean solar day in SI seconds is available from the IERS for the periods and.
|
| 6. | It was also close to of the mean solar day as averaged between years 1750 and 1892.
|
| 7. | MKS was adopted internationally during the 1940s, defining the second as of a mean solar day.
|
| 8. | Both the stellar day and the sidereal day are shorter than the mean solar day by about.
|
| 9. | By 1961, the mean solar day was already a millisecond or two longer than 86, 400 SI seconds.
|
| 10. | Instead of hours and minutes, the mean solar day is divided into 1000 parts called " . beats ".
|
मोबाइल