List of bad luck signs

• A priest passing through
• Breaking a mirror is said to bring seven years of bad luck
• Bird or flock going from left to right
• Certain numbers:
• *The number 4 in Chinese culture
• *The numbers 4 and 9 in Japanese culture
• *Also in Japanese culture, maternity wards numbered 43, as it can literally mean "still birth"
• *The number 13, known as triskaidekaphobia
• *The number 17 in Italian culture
• *The number 39, known as the curse of 39, in Afghan culture
• *The number 666, known as hexakosioihexekontahexaphobia
• Friday the 13th
• Failing to respond to a chain letter
• Giving a clock as a gift in Chinese culture, as in Chinese, to give a clock has the same pronunciation as attending their funeral
• Greek Orthodox priest in the street. It is considered a bad omen to see a priest walking in the street, and superstitious people whisper "ΣΚΟΡΔΑ" under their breath.
• Hanging a horseshoe with the ends pointing down, as it is believed that the luck will 'fall out'
• Opening an umbrella while indoors
• On the Isle of Man, the mention of the word "longtail"
• Ouija board
• Navajo:
• *pointing at a rainbow
• *throwing rocks into the wind
• *a coyote crossing one's path heading north
• *an owl flying over a house.
• Placing chopsticks straight up in a bowl of rice in Chinese and Japanese culture is reminiscent of food offerings left for the dead.
• Pointing towards feces
• Ravens, crows and magpies
• Saying the word "Macbeth" or wishing someone "Good Luck" while inside a theatre
• Shoes on a table
• Three on a match
• Tipping a salt shaker over
• Viewing one's doppelgänger may be considered a harbinger of bad luck
• Walking under a ladder
• Black cat crossing one's path