30º21'63 bagaimana cara mengubahnya tolong jawabannya beserta caranya ya..

30º21'63"

1º = 60'
1' = 60''
1º = 3.600''

30º = 60' x 30 = 1800'
21' = 21'
63'' = 1,05'

(1800+21+1,05)'
= 1882,05'
= 1882,05 menit
=30 jam 0,3675 menit