April starts on the same day of the week as July in all years, and January in leap years. April ends on the same day of the week as December every year. October of the previous year starts on the same day of the week as April of the current year as a common year and May of the previous year starts on the same day of the week as April of the current year as a leap year. July of the previous year ends on the same day of the week as April of the current year as a leap year and February and October of the previous year ends on the same day of the week as April of the current year as a leap year. In years immediately before common years, April starts on the same day of the week as September and December of the following year and in years immediately before leap years, June of the following year.
