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August 1 Holidays & Observances

4 holidays observed on August 1 in the 2026–2030 window.

National Girlfriends Day fun · National Every year National Sisters Day fun · National 2027: Aug 1 Swiss National Day national · National Every year Lughnasadh religious · National Every year

Floating holidays on August 1

These observances only land on August 1 in certain years.

Holiday 20262027202820292030
National Sisters Day — Aug 1 · Sun — — —

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See every observance across August in one monthly calendar.

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August 1 — quick answers

How many holidays fall on August 1?
In the 2026–2030 window, 4 holidays and observance fall on August 1: National Girlfriends Day, National Sisters Day, Swiss National Day, Lughnasadh.
What is celebrated on August 1?
August 1 is home to National Girlfriends Day, National Sisters Day, Swiss National Day and other observances. Each one has its own page with history and a live countdown.
Are any August 1 holidays public holidays?
None of the observances on August 1 are US federal holidays; they are celebrated informally by people, brands and communities.