sˈɪns ðə nˈuː kˈɪŋ æt fˈɜːst plˈænd tə fˈɪnɪʃ hɪz ˌɛdʒuːkˈeɪʃən ɐbɹˈɔːd, pɹˈɪns ɹˈæŋsɪt wʌz ɐpˈɔɪntᵻd ɹˈiːdʒənt ʌv tˈaɪlənd ˌɔn dʒˈuːn sˈɪkstiːn, nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi sˈɪks, æz wˈɛl æz tʃˈɛɹmən ʌvðə suːpɹˈiːm kˈaʊnsəl ʌv stˈeɪt sˈɪns nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi sˈɛvən.
Since the new king at first planned to finish his education abroad, Prince Rangsit was appointed Regent of Thailand on June 16, 1946, as well as chairman of the Supreme Council of State since 1947.