User:Forerunner/Reach

Basic facts

 * Reach has 27 hours in a day
 * Earth has 23 hours, 56 minutes, 4 seconds hours in a day (for the sake of ease, we'll presuppose that it is instead 24 hours, exactly).
 * Reach has 390 calender days in its year.
 * Earth has 365.256363004 calender days in its year (for the sake of ease, we'll presuppose that it is instead 365.25 during the calculations).

Key

 * "h" refers to "hours".
 * "Rd" refers to "Reach days". "Td" refers to Earth days.
 * "Ry" refers to "Reach years". "Ty" refers to Earth years.

Formulae
$$ $$ $$ $2 &times; Rd = 2 Td + 6 Th$ $10 &times; Rd = 270 h$ $100 &times; Rd = 2700 h$ $2700 &divide; 24 = 112.5 Td$ $200 &times; Rd = 5400 h$ $300 &times; Rd = 8100 h$ $400 &times; Rd = 10800 h$ $400 Rd &minus; 10 Rd = 10800 h &minus; 270 h$ $$ $10530 &divide; 24 = 438.75 Td$ $$ $$