The date of the Summer Solstice and its customs in English are:

- Date: The Summer Solstice typically occurs around June 20th or 21st each year.
- Customs: The Summer Solstice is a significant day in many cultures and is celebrated in various ways. Some common customs include:
1. Solstice Celebrations: Many people hold festivals or gatherings to mark the longest day of the year.
2. Sunrise Rituals: Some traditions involve participating in sunrise ceremonies to welcome the longest day.
3. Solstice Balls: In some regions, people might throw a "solstice ball" or a party to celebrate the event.
4. Midsummer Celebrations: In Scandinavian countries, the Midsummer festival (Midsommar) is a significant celebration that often includes dancing around a maypole and feasting.
5. Stone Alignments: In some places, such as Stonehenge in England, people visit ancient stone alignments to witness the sun's position at the time of the solstice.
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