a.u. of time
| Symbol: | a.u. |
| Category: | Time |
| SI Equivalent: | 2.41888×10-17 s |
| Dimension: | T |
| System: | a.u. |
| Notes | |
| 1 a.u. of time = h/2pEh
where h is the Planck constant (6.626069×10-34 J-s) and Eh = 1 hartree (4.3597482×10-18J). | |
1 a.u. =
| Permeability coefficient | ||
| Symbol | Unit Name | |
| 2.41888×10-17 | kg-m/N-s | kilogram meter per newton per second |
| 1.6645×10-5 | perm-inch (0 °C) | perm-inch (0°C) |
| 1.65758×10-5 | perm-inch (23 °C) | perm-inch (23°C) |
| 1.6645×10-2 | perm-mil (0 °C) | perm-mil (0°C) |
| 1.65758×10-2 | perm-mil (23 °C) | perm-mil (23°C) |
| Time | ||
| Symbol | Unit Name | |
| 2.79963×10-17 | blink | |
| 2.79963×10-22 | d | day |
| 2.8073×10-22 | d (sider.) | day (sidereal) |
| 1.99974×10-23 | fortnight | |
| 6.71912×10-21 | h | hour |
| 2.57339×106 | Jordan's elementary time | |
| 2.41888×10-11 | ms | microsecond |
| 2.41888×10-14 | ms | millisecond |
| 4.03147×10-19 | min, mn | minute |
| 9.33212×10-24 | month (30 days) | |
| 1.02469×10-23 | month (sidereal) | |
| 9.20428×10-24 | month (solar mean) | |
| 9.48046×10-24 | month (synodic), lunar month | |
| 2.41888×10-8 | ns | nanosecond |
| 2.41888×10-17 | s | second |
| 2.41888×10-9 | shake | |
| 3.99948×10-23 | w | week |
| 7.25665×10-8 | wink | |
| 7.66492×10-25 | aastr. | year (astronomical), Bessel year |
| 7.67023×10-25 | a, y | year (calendar) |
| 7.66485×10-25 | year (sidereal) | |
| 7.66498×10-25 | a, y | year (solar mean) |
| 7.66514×10-25 | atrop. | year (tropical) |
