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  5. World Optimist Day 2025

World Optimist Day 2025

Until World Optimist Day are 39 days, ie 1 month and 8 days.

In 2025 World Optimist Day is on 21st August (Thursday).

Other years

Day of the weekDateName of holiday
Monday21st August 2023World Optimist Day 2023
Wednesday21st August 2024World Optimist Day 2024
Friday21st August 2026World Optimist Day 2026
Saturday21st August 2027World Optimist Day 2027
Monday21st August 2028World Optimist Day 2028
Tuesday21st August 2029World Optimist Day 2029
Wednesday21st August 2030World Optimist Day 2030

Holidays in the same day in the UK

  • International Day of Remembrance and Tribute to the Victims of Terrorism

Holidays in next days

  • World Plant Milk Day - 22 August
  • Clairvoyant's Day - 22 August
  • International Day Commemorating the Victims of Acts of Violence Based on Religion and Belief - 22 August
  • International Day for the Remembrance of the Slave Trade and Its Abolition - 23 August
  • Pluto Demoted Day - 24 August
  • Instant Soup Day - 25 August
  • Summer Bank Holiday - 25 August
  • International Dog Day - 26 August
  • Glitter Day - 26 August
  • International Gamebook Day - 27 August

July 2025

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August 2025

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September 2025

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Calendars

  • July 2025
  • August 2025

Upcoming observances

  • French Fries Day
  • International Day of Rock ‘n’ Roll
  • Shark Awareness Day
  • World Chimpanzee Day
  • World Youth Skills Day
  • Guinea Pig Appreciation Day

Special UK links

  • Holidays calendar

Choose Country: 🇬🇧🇺🇸🇮🇹🇵🇱

  • Mother's Day