month (solar mean)
1 month (solar mean) =
| Permeability coefficient | ||
| Symbol | Unit Name | |
| 2.628×106 | kg-m/N-s | kilogram meter per newton per second |
| 1.8084×1018 | perm-inch (0 °C) | perm-inch (0°C) |
| 1.80088×1018 | perm-inch (23 °C) | perm-inch (23°C) |
| 1.8084×1021 | perm-mil (0 °C) | perm-mil (0°C) |
| 1.80088×1021 | perm-mil (23 °C) | perm-mil (23°C) |
| Time | ||
| Symbol | Unit Name | |
| 1.08645×1023 | a.u. | a.u. of time |
| 3.04167×106 | blink | |
| 30.4167 | d | day |
| 30.5 | d (sider.) | day (sidereal) |
| 2.17262 | fortnight | |
| 730 | h | hour |
| 2.79586×1029 | Jordan's elementary time | |
| 2.628×1012 | ms | microsecond |
| 2.628×109 | ms | millisecond |
| 4.38×104 | min, mn | minute |
| 1.01389 | month (30 days) | |
| 1.11328 | month (sidereal) | |
| 1.03001 | month (synodic), lunar month | |
| 2.628×1015 | ns | nanosecond |
| 2.628×106 | s | second |
| 2.628×1014 | shake | |
| 4.34524 | w | week |
| 7.884×1015 | wink | |
| 8.32756×10-2 | aastr. | year (astronomical), Bessel year |
| 8.33333×10-2 | a, y | year (calendar) |
| 8.32748×10-2 | year (sidereal) | |
| 8.32763×10-2 | a, y | year (solar mean) |
| 8.32781×10-2 | atrop. | year (tropical) |
