june is the sixth month of the year in the julian and gregorian calendars, the second of four months to have a length of 30 days, and the third of five months to have a length of less than 31 days. june contains the summer solstice in the northern hemisphere, the day with the most daylight hours, and the winter solstice in the southern hemisphere, the day with the fewest daylight hours (excluding polar regions in both cases). june in the northern hemisphere is the seasonal equivalent to december in the southern hemisphere and vice versa. in the northern hemisphere, the beginning of the traditional astronomical summer is 21 june (meteorological summer begins on 1 june). in the southern hemisphere, meteorological winter begins on 1 june.
no month starts on the same day of the week as june in any year. this month and may are the only two months to have this property. it ends on the same day of the week as march in all years. it starts on the same day of the week as february of the following year. in common years, it begins on the same day of the week as september and december of the previous year and, in leap years, april and july of the previous year. in common years, june ends on the same day of the week as september of the previous year and in leap years, it ends on the same day of the week as april and december of the previous year.
at the start of june, the sun rises in the constellation of taurus; at the end of june, the sun rises in the constellation of gemini. however, due to the precession of the equinoxes, june begins with the sun in the astrological sign of gemini, and ends with the sun in the astrological sign of cancer.