He was promoted to Captain on 24 November 1795; this was the day before the despatches were in the London press, with the Admiralty presumably confirming Elphinstone's appointment on receipt.
hiː wʌz pɹəmˈoʊɾᵻd tə kˈæptɪn ˌɔn twˈɛnti fˈoːɹ noʊvˈɛmbɚ wˈʌn θˈaʊzənd sˈɛvənhˈʌndɹɪd nˈaɪnti fˈaɪv; ðɪs wʌzðə dˈeɪ bᵻfˌoːɹ ðə dᵻspˈætʃᵻz wɜːɹ ɪnðə lˈʌndən pɹˈɛs, wɪððɪ ˈædmɚɹəlɾi pɹɪzˈuːməbli kənfˈɜːmɪŋ ˈɛlfɪnstˌoʊnz ɐpˈɔɪntmənt ˌɔn ɹᵻsˈiːt.