28; twenty-eight
Standard numeral for the number 28.
There are twenty-eight students in this class.
4 a.m.
Only when written ２８
Colloquial time expression used in contexts like late-night schedules, where 28:00 means 4 a.m. the next day. Restricted to the Arabic numeral spelling ２８.
The late-night program airs from 4 a.m.
Arabic numeral spelling, common in horizontal writing and for the colloquial time sense.
Abbreviated kanji numeral; rarely used in modern writing.
Compound of 二 (に, 'two'), 十 (じゅう, 'ten'), and 八 (はち, 'eight').