How Many Days Until August 11? Countdown
There are 345 days until National Sons and Daughters Day on Wednesday, August 11, 2027. August 11 is National Sons and Daughters Day, a grassroots US observance that started in St. Joseph, Missouri, in 1936 after J. Henry Dusenberry heard a child ask why parents had holidays and kids did not. The 2026 date (Tuesday) has passed; the timer now aims at 11 August 2027.
2026–2028 dates
| Year | Date |
|---|---|
| 2026 | Tuesday, August 11 |
| 2027 | Wednesday, August 11 |
| 2028 | Friday, August 11 |
Add National Sons and Daughters Day to your calendar
Countdown to August 11
Early custom was a flower in a vase for each child, including those who had moved away. It never became a federal holiday. Congressman Claude Pepper later floated a January Sunday instead; that bill died.
What the date is known for
Late-summer searches for August 11 also track back-to-school and birthday counts. The public observance is the one above; the clock still just counts the date.
| Year | August 11 weekday | Federal holiday? |
|---|---|---|
| 2026 | Tuesday | No |
| 2027 | Wednesday | No |
| Origin | 1936 Missouri | Informal |
How many days until August 11
Timezone midnight on August 11 is the zero point. Decimal months will look small this close to a mid-August target in other years.
Why this countdown exists
This countdown exists because “How Many Days Until August 11” is a real remaining-days search. National Sons and Daughters Day is the civil date people mean. They count to it for the named observance and for travel, school, and plans that share the same morning. The timer uses midnight in the timezone you pick.
What is August 11 known for in the US?
National Sons and Daughters Day, plus assorted birthdays and local school starts.
Is August 11 a day off?
No.
When is the next August 11?
Wednesday, August 11, 2027, after the 2026 date passed.