module Taiyoji

Constants

DEGREES_PER_HOUR

Public Class Methods

solar_offset(longitude) click to toggle source

# File lib/taiyoji.rb, line 6
def self.solar_offset longitude
  raise Taiyoji::InvalidLongitudeError unless (-180..180).include? longitude

  (longitude / DEGREES_PER_HOUR * 60 * 60).round
end