How to say winter solstice in English?

Winter Solstice English introduction is as follows:

OnDecember22,20xx,thedayistheWinterSolstice,itisanimportantdayinChina,itbecomesatradition. Morethan2500yearsago,Chinesepeoplehaddetectedthisdaybymeasuringthesun.Whatisspecialontheday?

Theansweristhatthedaytimelaststheshortestwhilethenightlaststhelongestoftheyear.Itmeansthenewroundofthesolarterm, theWinterSolsticeisthe theWinterSolsticeistheearliest.Asanoldtradition,peopletreatthatdayagrandday,theycelebrateit.

Inthenorth,mostpeopleeatdumplings. mostpeopleeatdumplings,whileinthesouth,peoplehavericedumplingandboileddumpling.Thoughpeoplecelebrateinadifferentway, theysharethesamehappiness. Thoughpeoplecelebrateinadifferentway,theysharethesamehappiness,familygettogetherandhaveabigdinner.WinterSolsticegivesfamilyachancetogetreunion, theyoungcomehometohometohome. theyoungcomehometohaveachatwithparentsandpromotetheircommunication.

Translation

December 22, 20xx, this day is the winter solstice, in China this is a very important festival, which became a tradition. As early as 2500 years ago, the Chinese measured the winter solstice by observing the sun. What's so special about this day?

The answer is that on this day, the days are the shortest and the nights the longest. This means a new round of festivals, with the winter solstice being the earliest. As a tradition, people take this day seriously and celebrate it.

In the north, most people eat dumplings, however in the south, people eat soup dumplings and boiled dumplings. Although people celebrate in different ways, they share the same joy of families gathering together for a meal. The winter solstice gives families a chance to reunite, and young people go home and talk to their parents, facilitating communication.