366 days
Học thuậtThân thiện
Definition
- Noun:
- A year containing 366 days: Specifically, in the Gregorian calendar, a year that is divisible by 4, except for end-of-century years (years divisible by 100), which must be divisible by 400 to have 366 days. This extra day, February 29, is added to keep the calendar year synchronized with the astronomical year.
Usage Examples
- Noun:
- The year 2024 is a 366 days year, so we get an extra day in February.
- Planning a project across a 366 days period requires accounting for the leap day.
Advanced Usage
- "to fall in a 366 days year": To occur during a leap year.
- The next Olympic Games will fall in a 366 days year.
- "spanning a 366 days": Covering the duration of a leap year.
- The financial report is for a period spanning a 366 days.
Variants and Related Words
- Leap year (n): The common term synonymous with "366 days".
- 2020 was a leap year.
- Bissextile year (n): A formal or historical term for a leap year.
- Common year (n): A year with 365 days, as opposed to a 366 days year.
Synonyms
- Leap year: A year containing an intercalary day, specifically February 29.
- Bissextile: (Formal) Denoting a leap year.
Related Phrases
- Leap day: The extra day (February 29) in a 366 days year.
- Leap second: An extra second occasionally added to Coordinated Universal Time (UTC), conceptually related to time adjustment but not specific to the year's length.
Notes on Meaning
- The term "366 days" is a precise, numerical description of the year's length. Its primary and only meaning in this calendrical context is synonymous with "leap year." It is defined by the specific Gregorian calendar rule stated in the definition.
Noun
- in the Gregorian calendar: any year divisible by 4 except centenary years divisible by 400