year (tropical)
| Symbol: | atrop. |
| Category: | Time |
| SI Equivalent: | 3.15569×107 s |
| Dimension: | T |
| Notes | |
| The time interval corresponds to one revolution of the earth about the sun measured between successive mean vernal equinoxes. | |
1 atrop. =
| Permeability coefficient | ||
| Symbol | Unit Name | |
| 3.15569×107 | kg-m/N-s | kilogram meter per newton per second |
| 2.17152×1019 | perm-inch (0 °C) | perm-inch (0°C) |
| 2.16249×1019 | perm-inch (23 °C) | perm-inch (23°C) |
| 2.17152×1022 | perm-mil (0 °C) | perm-mil (0°C) |
| 2.16249×1022 | perm-mil (23 °C) | perm-mil (23°C) |
| Time | ||
| Symbol | Unit Name | |
| 1.30461×1024 | a.u. | a.u. of time |
| 3.65242×107 | blink | |
| 365.242 | d | day |
| 366.243 | d (sider.) | day (sidereal) |
| 26.0887 | fortnight | |
| 8765.81 | h | hour |
| 3.35726×1030 | Jordan's elementary time | |
| 3.15569×1013 | ms | microsecond |
| 3.15569×1010 | ms | millisecond |
| 5.25949×105 | min, mn | minute |
| 12.1747 | month (30 days) | |
| 13.3682 | month (sidereal) | |
| 12.008 | month (solar mean) | |
| 12.3683 | month (synodic), lunar month | |
| 3.15569×1016 | ns | nanosecond |
| 3.15569×107 | s | second |
| 3.15569×1015 | shake | |
| 52.1775 | w | week |
| 9.46708×1016 | wink | |
| 0.99997 | aastr. | year (astronomical), Bessel year |
| 1.00066 | a, y | year (calendar) |
| 0.999961 | year (sidereal) | |
| 0.999979 | a, y | year (solar mean) |
