Halloween in the United States and Canada is held on the same date, November 1 every year, while October 31 is known as Halloween Eve; Thanksgiving in the United States is the fourth Sunday in November every year, and Canada's Thanksgiving Day is held on the second Monday in October every year. American and Canadian Thanksgiving and thanksgiving are different due to cultural differences, so their corresponding dates are also different.

First, Halloween. Halloween is a traditional Western holiday, is the Catholic, Holy Catholic and Orthodox Church has a holiday. Halloween is held on November 1 every year, October 31 is known as Halloween Eve. Originally, Halloween was a celebration of the harvest, but European tradition holds that All Hallows' Eve is the closest the ghostly world can get to the earth, and that the souls of the dead will return to the earth on this day. The harvest of food attracts ghosts, so they turn off the lights and put on masks and dress up as evil spirits to scare off the ghosts and the dead that roam the earth; afterward, they light candles to illuminate the path of the dead.

Secondly, on Halloween, children dressed as ghosts and goblins and carrying pumpkin lamps would knock on doors in pairs to ask for candy, which the hosts would have to give or risk being pranked. On the eve of Halloween, a parade of ghosts and goblins, regardless of borders and age, is held, and everyone dresses up as ghosts and goblins and celebrates together in the streets. There are also games of apple-biting and servant possession.

Third, Thanksgiving Day in the United States. Thanksgiving Day in the United States is the fourth Sunday in November, and the United States will have a three-day vacation when Thanksgiving Day comes. When the Bishop of Chiang Kai-shek migrated to America, he was helped by the Indians, and in order to thank God and the Indians for their sincere help, he established a date to invite the Indians to celebrate with him, which is the origin of Thanksgiving Day in the United States. It was only in 1941 that the United States officially designated the fourth Sunday of November as "Thanksgiving Day".

Fourth, Canadian Thanksgiving. Thanksgiving Day in Canada is celebrated on the second Monday of October every year, and like the United States, it is a three-day holiday. The Canadian Thanksgiving Day gives thanks for the gifts of nature and the bounty and success that God has given him to survive.

Halloween is celebrated on November 1 in both the United States and Canada; Thanksgiving is celebrated on the fourth Sunday in November in the United States and on the second Monday in October in Canada.