4 PM; 16:00
Used in 24-hour time notation, common in schedules, transportation timetables, and formal contexts.
The meeting starts at 4 PM.
The next train departs at 16:00.
Standard Arabic numeral spelling for time expressions.
Kanji numeral spelling, less common in modern schedules but still seen.
Compound of 十六 (じゅうろく, 'sixteen') and 時 (じ, 'hour'), following standard Japanese number + counter formation for clock times.