18 June - International Picnic Day International Picnic Day is celebrated on 18 June every year. This is a day to enjoy nature with your near and dear ones. Theme for International Picnic Day 2025: "Savoring Simple Moments in Nature." While there isn't one official global theme for International Picnic Day, we propose "Savoring Simple Moments in Nature" for 2025. #InternationalPicnicDay #DrSureshKPandey #DrVidushiSharma #SuViEyeHospitalKota