weekday · shine

1. Origins, structure, and basic meaning

• Structure: 曜 has 18 strokes and appears in words for days of the week.
• Basic usage: 曜日 is read ようび, and 何曜日 is read なんようび.

2. Common pitfalls and similar expressions

• Asking about a day of the week
  • 何曜日 asks which day of the week is meant. Here, 何 is read なん.
  • 何曜日ですか is a direct question, while 何曜日か embeds “what day of the week” within a sentence.