Convert time from one time zone to another

convert_time.rb

# Converts time selectec time zone to time in Sydney Australia nad New Delhi in Rails
time_zones = ActiveSupport::TimeZone.all.map(&:name)
time_from = '2020-06-20 23:00:00'
Time.zone = time_zones.first #'America/New_York'

time_zones_to_convert_to = ["Australia/Sydney", "New Delhi"]
from_time = Time.zone.parse(time_from)
puts "From #{Time.zone} #{from_time}"
time_zones_to_convert_to.each do|to_zone| 
  puts "#{to_zone} #{from_time.in_time_zone(to_zone)}"
end