2023 no relation triskaidekaphobia
Friday the 13th is considered an unlucky day in Western superstition. It occurs when the 13th day of the month in the Gregorian calendar falls on a Friday, which happens at least once every year but can occur up to three times in the same year. For example, 2015 had a Friday the 13th in February, March, and November; 2017 through 2020 had two Friday the 13ths; 2016, 2021 and 2022 had just one Friday the 13th; 2023 and 2024 have two Friday the 13ths.A month has a Friday the 13th if and only if it begins on a Sunday.
no relation