1. intercalation
2. illegitimate throne
Kanji
1. intercalation
2. illegitimate throne
1. embolism; intercalation
1. Leap-year; Intercalary
1. Leap year
1. Was a leap year.
1. Was a leap year.
1. Is a leap year.; Is February.
1. If it were a leap year; If/when it's a leap year
1. Not a leap year.; Not intercalary.
1. Probably...; Leap year.