A fun observance on March 13 challenging the superstition that opening an umbrella indoors brings bad luck, encouraging people to test the myth themselves.
Last updated February 26, 2026 · by the
Holiday Calendar Team
Thomas Edward Knibb of Frederick, Maryland, created the observance in 2003 to defy the superstition that opening an umbrella indoors brings bad luck, encouraging people to test it and observe any consequences. He is also credited with founding National Umbrella Month the same year.
March 13 is National Open An Umbrella Indoors Day, a day to celebrate the superstition of opening an umbrella indoors and all that it represents! It's believed that doing so brings with it bad luck. But in reality, this tradition dates back thousands of years and was first observed by Ancient Chinese farmers who used umbrellas to protect themselves from the sun while they worked in their fields. So if you're feeling extra lucky on March 13th, join us in celebrating National Open An Umbrella Indoors Day!
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WHY THIS DAY MATTERS
Celebrating National Open An Umbrella Indoors Day is a fun way to break the age-old superstition of opening an umbrella indoors. It encourages bravery and a sense of amusement in disregarding this old wife's tale, bringing about an atmosphere of laughter and joy.
National Open An Umbrella Indoors Day provides an excellent opportunity for individuals to explore their creativity. From decorating umbrellas to creating umbrella-inspired art, there's a myriad of exciting and creative activities that this special day encourages.
This day promotes shared activities among friends, family or co-workers. Whether it be a friendly game of 'Umbrella Hockey' or 'Musical Umbrellas', it provides an excellent opportunity for team-building and bonding through a unique and fun experience.
Don't get caught in the rain - celebrate National Umbrella Day by stocking up on stylish umbrellas for every occasion!
Don't let the rain dampen your style on Umbrella Cover Day - show off your creativity and flair with a unique, fun umbrella cover!
Embrace your bad luck on Unlucky Day and turn it into an opportunity - make a wish, cross your fingers, and look out for hidden blessings!
Don't let superstitions hold you back - embrace the day and defy all myths with courage, confidence, and a little bit of fun on Defy Superstition Day!
