National Tea Day Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: April 21, 2021 all-day Repeats 2021-04-21T00:00:00-05:00 2021-04-22T00:00:00-05:00 Where: National Tea Day United States BRITISH NATIONAL TEA DAY Behind every great country, there is an even greater beverage helping its people through the day. On April 21st, the United Kingdom celebrates National Tea Day, their drink of choice for the past two centuries.