Click generate, and the tool finds the next Friday the 13th from today and lists several upcoming ones with a day countdown for each.
Every calendar year has between one and three Friday the 13ths. On average there is one about every 212 days.
The superstition combines the number 13 (long viewed as unlucky in Western culture) with Friday. The fear even has a name: paraskevidekatriaphobia.
The tool checks the 13th of each upcoming month and reports the next one that falls on a Friday, then lists several that follow.