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year (astronomical), Bessel year
 Symbol: aastr. Category: Time SI Equivalent: 3.15579×107 s Dimension: T
Convert     aastr.
1 aastr. =
 Permeability coefficient Symbol Unit Name 3.15579×107 kg-m/N-s kilogram meter per newton per second 2.17158×1019 perm-inch (0 °C) perm-inch (0°C) 2.16255×1019 perm-inch (23 °C) perm-inch (23°C) 2.17158×1022 perm-mil (0 °C) perm-mil (0°C) 2.16255×1022 perm-mil (23 °C) perm-mil (23°C) Time Symbol Unit Name 1.30465×1024 a.u. a.u. of time 3.65253×107 blink 365.253 d day 366.254 d (sider.) day (sidereal) 26.0895 fortnight 8766.08 h hour 3.35737×1030 Jordan's elementary time 3.15579×1013 ms microsecond 3.15579×1010 ms millisecond 5.25965×105 min, mn minute 12.1751 month (30 days) 13.3686 month (sidereal) 12.0083 month (solar mean) 12.3687 month (synodic), lunar month 3.15579×1016 ns nanosecond 3.15579×107 s second 3.15579×1015 shake 52.1791 w week 9.46738×1016 wink 1.00069 a, y year (calendar) 0.99999 year (sidereal) 1.00001 a, y year (solar mean) 1.00003 atrop. year (tropical)
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