Suppose someone invents completely new units where 1 zig = 0.18 zags and 1 zoyear = 0.4 years (typical years, as in 365 days). Convert 585 zag/zoyear to zig/hour.

585 zag/zoyear

=585 *(1/0.18) zig/ (0.4 years)
=(585/0.18) zig / (0.4*365*24 hours)
= 0.928 zig/hour