Summer (Summer) hot air and sunlight are true, but there are some days that the weather will cool down summer (English: Summer) As the summer climate in years. Khetopun in winter and summer of the northern hemisphere is located between spring and autumn. In General, is from June 21 (the summer solstice day) until September 21 (days of harvest time Equinox) In summer the day is longer than night by the length of the days begin to decline at the end of the summer. For Equinox The start date of the summer in each area can vary according to the social and cultural environment.
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