何時

1. Origins, structure, and basic meaning

• Structure: 何時 is read なんじ here, combining interrogative 何 with clock time 時 to ask what time it is.
• Basic usage: In 何時に始まる, it is read なんじ to ask a specific clock time.

2. Common pitfalls and similar expressions

• Grammar and combinations
  • The same spelling 何時 can be read いつ for “when” in other contexts, so distinguish that from this clock-time reading.