October 3 is not a national day, but it is a day that has several observances and holidays. Here are some of the holidays and observances that fall on October 3, 2023:

• National Boyfriend Day
• National Techies Day
• National Fruit at Work Day
• World Temperance Day

National Boyfriend Day is a day to celebrate boyfriends and show them how important they are to us. National Techies Day is a day to celebrate the contributions of technology professionals to our society. National Fruit at Work Day is a day to encourage people to eat more fruit at work. World Temperance Day is a day to encourage people to give up alcohol and learn about the history of temperance.