The date 24.12.2022 is XXIV.XII.MMXXII as the Roman date. This is derived step by step as follows:
Day: 24 = XXIV
Month: 12 = XII
Year: 2022 = MMXXII
24.12.2022 = XXIV . XII . MMXXII
You can read the individual results for this in the tables 'Day in Roman numeral', 'Month in Roman numeral' and 'Year in Roman numeral'.