Adding the "th" shows that the number is part of a progression. You would add the "Th" to the end of 28 when talking about the days in November because it is the 28th of 30 days.
28/10/72 = THE 28th OF October nineteen seventy-two. 'The' and 'of' is important in dates in British English although in American English both seem to be omitted regularly.
28/10/72 = THE 28th OF October nineteen seventy-two(1972年10月28日)
イギリス英語では日付を言うときの'the'と'of'は大切です。アメリカ英語ではどちらも省かれることが多いようですが。
Adding 'th' to the end of the number 28 shows that it is part of a progression of things, in this case dates but not exclusively so.
'This is the twenty eighth car I've seen pass this morning''
The choice of letters (eg 'th') you use depends which number ends the sequence
One = st = first / twenty first
Two = nd = second / twenty second
Three = rd = third / twenty third
Four / Five / Six / Seven / Eight / Nine / Ten = th = fourth / fifth / sixth / seventh / eighth/ ninth / tenth
Eleventh / Twelfth / Thirteenth are exceptions
Twenty / Thirty
That should be all the dates in a month
'I'm going to be on holiday on the first, second and third of next month'
'Please reserve the twenty seventh, twenty eight and twenty ninth of June for training'
'My birthday is on the eleventh of May, my sister's is on the twelfth'
28th'の'th'は、それが連続しているものの一部であることを表します。この場合は日付ですがそれ以外のこともあります。
例文
'This is the twenty eighth car I've seen pass this morning'
(これは今朝私が通り過ぎるのを見た28番目の車です)
最後に来る数字によって使う文字 (例えば'th') が変わります。
One (1) = st = first / twenty first (21)
Two (2) = nd = second / twenty second (22)
Three (3) = rd = third / twenty third (23)
Four (4) / Five (5) / Six (6) / Seven (7) / Eight (8) / Nine (9) / Ten (10) = th = fourth (4) / fifth (5) / sixth (6) / seventh (7) / eighth (8) / ninth (9) / tenth (10)
Eleventh (11) / Twelfth (12) / Thirteenth (13) は例外です。
Twenty (20) / Thirty (30)
「月」の中にあるのはこれですべてだと思います。
例文
'I'm going to be on holiday on the first, second and third of next month'
(来月の1日、2日、3日と休暇を取ります)
'Please reserve the twenty seventh, twenty eight and twenty ninth of June for training'
(6月27日、28日、29日は研修に空けておいて下さい)
'My birthday is on the eleventh of May, my sister's is on the twelfth'
(私の誕生日は5月の11日で、妹の誕生日は12日です)
It would be read as the twenty eighth so if it was the 28/10/2018 then it would read the twenty eigth of october two thousand and eighteen
28th refers to 28 days out of the month so the 28th day of the month
28th' は 'twenty eighth' と読みます。ですから、2018年10月28日なら、'the twenty eigth of october two thousand and eighteen' となります。
'28th' はその月の28日目を指します。