Mitambariko inoverengwa ichibva paPrime Meridian iyo inopiwa nhamba 0o. Nhamba yemitambariko yeTaranyika inokwira zvichienda kuMabvazuva - nhamba dzichipiwa vara (+), kudzamara dzasvika pa +180o. Nhamba yeMitambariko inodzika zvichenda kuMadokero, nhamba dzichipiwa vara (-), kudzamara dzasvika pa -180o. Izvi zvinoreva kuti mutambariko weTaranyika +20o huri kuMabvazuva kwePrime Meridian; mutambariko weTaranyika -30o huri kuMadokero kwePrime Meridian.