Meaning and Usage
"四日" (よっか) primarily means "the fourth day of the month" or "four days" as a duration. It is commonly used in dates and to express periods of time.
Common Contexts
- When stating the date, e.g., "今日は四日です" (Today is the fourth).
- To indicate a duration, e.g., "旅行は四日間続きます" (The trip lasts four days).
- To specify a point in time after four days, e.g., "四日後に会いましょう" (Let's meet four days later).
Collocations and Patterns
- 四日間 (よっかかん): four days (duration)
- 四日後 (よっかご): four days later
- 四日目 (よっかめ): the fourth day (ordinal)
Notes
"四日" can be confused with "四日" as a duration or as a date. Context usually clarifies meaning. The reading "よっか" is specific to this word; do not confuse with the number four "よん" or "し". This word is very common in daily conversation and formal writing when referring to dates or durations.