How Many Days Until August 5? Countdown
There are 339 days until August 5 on Thursday, August 5, 2027. August 5 falls on August 5 each year. The public marker is Test Ban Treaty: 5 Aug 1963. The live timer counts to midnight that morning in the timezone you pick.
2026–2028 dates
| Year | Date |
|---|---|
| 2026 | Wednesday, August 5 |
| 2027 | Thursday, August 5 |
| 2028 | Saturday, August 5 |
Add August 5 to your calendar
Countdown to August 5
| Marker | Detail | Type |
|---|---|---|
| Test Ban Treaty | 5 Aug 1963 | Underwear Day (retail) |
August 5 is National Underwear Day on US retail calendars and the 1963 date the US, UK, and USSR signed the Partial Nuclear Test Ban Treaty.
How Many Days Until August 5
August 5 2027 is a Thursday. Not a federal holiday. Hiroshima Day is August 6.
Early-August Thursdays are also common flight and wedding dates. The remaining-days number is civil midnight, not a ceremony or store-open time. After August 5 passes, the clock rolls to the next August 5.
Why this countdown exists
“How Many Days Until August 5” is on this site because Americans search remaining days until August 5, not because every square is a paid holiday. The public hook is Test Ban Treaty (5 Aug 1963; Underwear Day (retail)). The same morning is also used for weddings, travel, leases, and school dates. The timer zeros at midnight in your timezone, then repeats next year.
People also ask
When is August 5 2027?
Thursday, August 5, 2027.
Is August 5 a US federal holiday?
No.
Does the August 5 countdown repeat each year?
Yes. After the date passes, it rolls to the next year.