1.
nine o'clock
The time at nine hours past midnight or noon.
九時 is the standard way to say "nine o'clock." Note that 九 uses the on'yomi reading, not きゅう, when telling time.
Common patterns
- 朝九時: 9 a.m.
- 夜九時: 9 p.m.
- 九時半: 9:30
- 九時ちょうど: exactly 9 o'clock
- 九時過ぎ: past nine o'clock
- 午前九時: 9:00 AM (formal)
Pronunciation
In telling time, 九じ (not きゅうじ). This matches the pattern where 九 is used in 九月 (September) and 九日 uses the native Japanese reading.