Humanize seconds in Ruby

25 November 2015 
def humanize secs
  [[60, :seconds], [60, :minutes], [24, :hours], [1000, :days]].map{ |count, name|
    if secs > 0
      secs, n = secs.divmod(count)
      "#{n.to_i} #{name}"
    end
  }.compact.reverse.join(' ')
end

Convert to UTC

Time.now.utc

How to convert timestamp to ISO8601 to pass to moment.js

timestamp.to_time.iso8601