day (sidereal)
| Symbol: | d (sider.) |
| Category: | Time |
| SI Equivalent: | 8.6164×104 s |
| Dimension: | T |
| Notes | |
| The sidereal day is the time needed for the earth to complete one revolution relative to the remote stars. | |
1 d (sider.) =
| Permeability coefficient | ||
| Symbol | Unit Name | |
| 8.6164×104 | kg-m/N-s | kilogram meter per newton per second |
| 5.92918×1016 | perm-inch (0 °C) | perm-inch (0°C) |
| 5.90452×1016 | perm-inch (23 °C) | perm-inch (23°C) |
| 5.92918×1019 | perm-mil (0 °C) | perm-mil (0°C) |
| 5.90452×1019 | perm-mil (23 °C) | perm-mil (23°C) |
| Time | ||
| Symbol | Unit Name | |
| 3.56214×1021 | a.u. | a.u. of time |
| 9.97268×104 | blink | |
| 0.997269 | d | day |
| 7.12335×10-2 | fortnight | |
| 23.9344 | h | hour |
| 9.16677×1027 | Jordan's elementary time | |
| 8.6164×1010 | ms | microsecond |
| 8.6164×107 | ms | millisecond |
| 1436.07 | min, mn | minute |
| 3.32423×10-2 | month (30 days) | |
| 3.6501×10-2 | month (sidereal) | |
| 3.27869×10-2 | month (solar mean) | |
| 3.37707×10-2 | month (synodic), lunar month | |
| 8.6164×1013 | ns | nanosecond |
| 8.6164×104 | s | second |
| 8.6164×1012 | shake | |
| 0.142467 | w | week |
| 2.58492×1014 | wink | |
| 2.73035×10-3 | aastr. | year (astronomical), Bessel year |
| 2.73224×10-3 | a, y | year (calendar) |
| 2.73032×10-3 | year (sidereal) | |
| 2.73037×10-3 | a, y | year (solar mean) |
| 2.73043×10-3 | atrop. | year (tropical) |
