IPv4/IPv6 address to extract timezone info using IP address
Extract timezone information using timezone name
Extract timezone information using location (preferably city and country)
Latitude to extract timezone informatin using location coordinates
Longitude to extract timezone informatin using location coordinates
Response language of "geo" field in case of lookup through IP address / location address
Extract timezone info using 3-letter IATA airport code
Extract timezone info using 4-letter ICAO airport code
Extract timezone info using 5-letter UN/LO CODE city code