There is no official Father's Day in Chinese mainland. But mainlanders are used to taking the third Sunday in June as Father's Day. Father's Day in Taiwan Province Province is August 8th. Father's Day in Taiwan Province Province is scheduled for August 8th every year, also called "August 8th".
This is because "88" is very similar to my father, and the word "88" looks like "father" together, so Father's Day is specially set on August 8.
The most extensive date is the third Sunday in June every year, and 52 countries and regions in the world celebrate Father's Day. There are many ways to celebrate festivals, most of which are related to giving gifts, family dinners or activities.