If Friday the 13th freaks you out, you may be suffering from paraskevidekatriaphobia.
That's the scientific name for a morbid fear of Friday the 13th.
This is the only Friday the 13th in 2016, if it's any consolation to the superstitious.
"The 13th usually does signify some kind of change or transformation that you're going to go through. It's always good to remember that we don't go through change for no reason and especially not for anything negative," said Kim Mehmet, a psychic medium and spiritual healer who runs Practical Magick in Barrie, which includes numerology readings.
"I know Friday the 13th carries a lot of perceived bad luck but I personally think we can have Monday the 21st be a bad luck day for us. It's whatever you believe."
If you believe that Friday the 13th is bad luck then your superstition probably started with a condition called triskaidekaphobia, which is fear of the number 13.
So why does Friday the 13th get people so spooked?
The origin of the superstition is murky but some trace the myth to the Last Supper where there were 13 guests on the night before Jesus' crucifixion - which was on Good Friday.
Some historians have claimed it was the day on which Eve bit the apple from the Tree of Knowledge.
A 1907 book, Friday the Thirteenth, by American businessman Thomas Lawson may have further fuelled the superstition.
And Friday the 13th movies likely sealed the scary deal.
Regardless of the history, according to the Stress Management Centre and Phobia Institute in North Carolina about 17 million people in the U.S. are affected by a fear of Friday the 13th.
It appears superstitions are alive and well.
Over at the Barrie SPCA, black cats Brennan and Kato are awaiting adoption and facing a double curse: being black cats in a shelter on Friday the 13th.
Manager Melissa Boyko calls it an "unfortunate stigma."
"There's statistical information that tells us why black animals in particular stay on average nine days longer than their non-black counterparts," said Boyko. "Some people believe they're bad luck. I believe it's a myth. Let's crush it together!"
The top Canadian superstition according to the Live in Canada web site is don't walk under ladders.
Other harbingers of bad luck include opening an umbrella indoors, breaking a mirror can bring seven years bad luck and of course - don't step on a crack.
Not all superstitions are negative.
Remember that picking up a penny you find on the street is considered good luck.
How about beginner's luck, knock on wood for luck and cross your fingers.
Every Friday the 13th more than 100,000 motorcycle enthusiasts gather in Port Dover in a party tradition that started in 1981.
But just when you thought it was safe to come out from under the covers, the movie Friday the 13th is releasing the 13th instalment of the horror film franchise in 2017.
Mehmet blames Hollywood for creeping people out and says stop watching movies if they make you too freaked.
"There's nothing wrong with Friday the 13th. We're all safe. Were fine," she said. "I'm taking my family on a trip to Cuba and we found tickets were cheaper on Friday the 13th. So we lucked out on that one."
