Holidays calendar August 2023‹ July 2023September 2023 ›DatePopular holidaysOther holidays and observances1 TuesdayWorld Wide Web Day,World Lung Cancer Day,Girlfriends Day,World Breastfeeding Week2 WednesdayEarth Overshoot Day,Coloring Book Day,World Breastfeeding Week3 ThursdayClean Your Floors Day,Watermelon Day,World Breastfeeding Week4 FridayInternational Beer Day,International Clouded Leopard Day,World Breastfeeding Week5 SaturdayUnderwear Day,International Alopecia Day,International Mustard Day,Oyster Day,Disc Golf Day,World Breastfeeding Week6 SundayInternational Assistance Dog Week,Sisters' Day,Fresh Breath Day,World Breastfeeding Week7 MondaySummer Bank HolidayAged Care Employee Day,International Assistance Dog Week,World Breastfeeding Week8 TuesdayInternational Cat Day,International Assistance Dog Week9 WednesdayBook Lovers Day,International Assistance Dog Week,International Day of the World's Indigenous People10 ThursdayInternational Assistance Dog Week,World Lion Day11 FridayInternational Assistance Dog Week12 SaturdayWorld Elephant Day,International Assistance Dog Week,Bowling Day,International Youth Day13 SundayInternational Left Handers Day,International Wolf Day14 Monday15 Tuesday16 WednesdayWorld Roller Coaster Day,World Calligraphy Day17 ThursdayDay of Positively Twisted People,Thrift Shop Day18 FridayIce Cream Pie Day19 SaturdayWorld Photo Day,International Homeless Animals’ Day,International Orangutan Day,Daughter-in-law Day,International Geocaching Day,World Humanitarian Day20 SundayInternational Lighthouse Day,World Mosquito Day21 MondayWorld Optimist Day,International Day of Remembrance and Tribute to the Victims of Terrorism22 TuesdayClairvoyant's Day,World Plant Milk Day,International Day Commemorating the Victims of Acts of Violence Based on Religion and Belief23 WednesdayInternational Day for the Remembrance of the Slave Trade and Its Abolition24 ThursdayPluto Demoted Day25 FridayInstant Soup Day26 SaturdayInternational Bat Night,International Dog Day,Glitter Day27 SundayInternational Gamebook Day28 MondaySummer Bank HolidayBow Tie Day29 TuesdayInternational Day against Nuclear Tests30 WednesdayInternational Day of the Disappeared,International Whale Shark Day,International Day of the Victims of Enforced Disappearances31 ThursdayInternational Day for People of African DescentSuccess!Error!