噴火

The first day of a specific period or scheduled event, such as a festival, a play, a job, or a school term. It marks the opening or commencement of a duration rather than a calendar date.

Refers to the entire duration of a day from morning until night. It is a formal way to express that an action or state lasts all day long without interruption.

Heijitsu refers to weekdays, specifically Monday through Friday, excluding weekends and public holidays. It is used to describe regular working or school days in a standard week.

A noun referring to a day off, a holiday, or a non-working day. It signifies a period when one is exempt from work or school duties, often used in formal or official contexts.

A public or national holiday designated by law when schools and most businesses are closed. It specifically refers to the official 'red days' on a Japanese calendar intended for national celebration or commemoration.

Getsumatsu refers to the end of the month, specifically the last day or the final few days. It is commonly used in business and daily life to discuss deadlines, payments, and schedules.

The end of the year, specifically referring to the final weeks or days of December. It is a period characterized by busy preparations, cleaning, and completing tasks before the New Year begins.

The beginning of the year, typically referring to the first few days of January. It is commonly used to discuss schedules, greetings, and traditional activities occurring at the start of the calendar year.

The beginning or the first few days of a month. It is commonly used in both daily life and business to refer to schedules, payments, or recurring events that happen at the start of a monthly cycle.

Refers to the academic year or a student's specific grade level within a school. It is commonly used to describe the period of study or to categorize students based on their progress through the educational system.