year (sidereal)
| Symbol: | |
| Category: | Time |
| SI Equivalent: | 3.15582×107 s |
| Dimension: | T |
| Notes | |
| Sidereal time is the time measured by the apparent motion about the earth of distant (therefore considered fixed) stars, as opposed to the solar time which corresponds to the apparent motion about the earth of the sun. The sidereal year is the time interval between two conjunctions of the sun with the same remote star. | |
1 year (sidereal) =
| Permeability coefficient | ||
| Symbol | Unit Name | |
| 3.15582×107 | kg-m/N-s | kilogram meter per newton per second |
| 2.1716×1019 | perm-inch (0 °C) | perm-inch (0°C) |
| 2.16257×1019 | perm-inch (23 °C) | perm-inch (23°C) |
| 2.1716×1022 | perm-mil (0 °C) | perm-mil (0°C) |
| 2.16257×1022 | perm-mil (23 °C) | perm-mil (23°C) |
| Time | ||
| Symbol | Unit Name | |
| 1.30466×1024 | a.u. | a.u. of time |
| 3.65256×107 | blink | |
| 365.256 | d | day |
| 366.257 | d (sider.) | day (sidereal) |
| 26.0897 | fortnight | |
| 8766.15 | h | hour |
| 3.35739×1030 | Jordan's elementary time | |
| 3.15582×1013 | ms | microsecond |
| 3.15581×1010 | ms | millisecond |
| 5.25969×105 | min, mn | minute |
| 12.1752 | month (30 days) | |
| 13.3687 | month (sidereal) | |
| 12.0084 | month (solar mean) | |
| 12.3687 | month (synodic), lunar month | |
| 3.15582×1016 | ns | nanosecond |
| 3.15582×107 | s | second |
| 3.15582×1015 | shake | |
| 52.1795 | w | week |
| 9.46745×1016 | wink | |
| 1.00001 | aastr. | year (astronomical), Bessel year |
| 1.0007 | a, y | year (calendar) |
| 1.00002 | a, y | year (solar mean) |
| 1.00004 | atrop. | year (tropical) |
