The Google Maps Time Zone API provides time offset data for locations on the
surface of the earth. You request the time zone information for a specific
latitude/longitude pair and date.
POSIXct The Google Maps Time Zone API uses the timestamp to
determine whether or not Daylight Savings should be applied. Will default to
the current system time.
language
string specifies the language in which to return the results.
See the list of supported languages:
https://developers.google.com/maps/faq#using-google-maps-apis.
If no langauge is supplied, the service will attempt to use the language of
the domain from which the request was sent.
simplify
logical Indicates if the returned JSON should be coerced into a list
key
string A valid Google Developers Timezone API key.