Summer Solstice is the longest day around June 21st.
The longest day and shortest night occurs on the summer solstice. The shortest day and longest night occurs on the winter solstice. Midway between these points (2x a year) are the equinox, where the day and night are of equal length.
An equinox in astronomy is the moment in time when the centre of the sun can be observed to be directly above the Earths equator, occurring around March 20th and September 23rd each year.
The longest period of daylight happens at the summer solstice. The shortest day occurs at the winter solstice.
The longest period of daylight happens at the summer solstice. The shortest day occurs at the winter solstice.
An equal day and night occurs twice per year on the summer and winter equinox.
The solstice is day of the year with the longest period of light (the summer solstice) or the longest period of night (the winter solstice). The vernal equinox (spring) and autumnal equinox (fall) are the two days in the year in which the periods of light and periods of darkness are exactly the same duration.
The longest period of daylight happens at the summer solstice. The shortest day occurs at the winter solstice.
The longest day in the year is the summer solstice. It occurs between June 20th and June 22th.
Winter solstice is the longest night, summer solstice is the longest day. Opposite is equinox when night and day are exactly the same length.
The longest period of daylight happens at the summer solstice. The shortest day occurs at the winter solstice.
The summer solstice has the longest daylight hours. It occurs on July 21 or 22.
The longest period of daylight happens at the summer solstice. The shortest day occurs at the winter solstice.