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Is Date on Friday the Thirteenth

Check if the 13th of any month and year is occurs on Friday the Thirteenth! Calculate for this month, or past and future months and years.

Check if the 13th of any month falls on Friday the thirteenth. Enter the month and year and click/tap Check.

Find out when Friday the 13th occurs in 2023 or other years with our Friday the 13th By Year Calculator! Also try: Friday 13th Birthday Calendar.

About Friday the Thirteenth

For those who are superstitious, Friday the 13th is considered an unlucky day, combining Friday, which comes with its own set of superstitions, with the infamous number 13. For others, it comes and goes like any other day, but certainly draws attention if something bad occurs and falls on a Friday which also happens to be the Thirteenth of the month.

On the Gregorian calendar, which almost every country now uses, it's guaranteed that every year will have at least one month with a Friday the Thirteenth. Some years will have 2 and others will have a maximum of 3 months with Friday the thirteenth. According to mathematician B.H. Brown who worked the equations back in 1933, the thirteenth falls on a Friday more often than on any other day of the week, although only slightly more!

In order for a month to have a Friday the thirteenth, the first of that month must be on a Sunday. Years having three (3) months with Friday the 13ths are those where January 1st occurs on a Thursday.

With this calculator you can check if the 13th of a given month and year will be on Friday the 13th. In addition, the calculator will indicate if the thirteenth is on a Friday for any other months in that year.

Tidbit: paraskavedekatriaphobia is the fear of Friday the thirteenth. Why so complicated? Because it combines two distinct phobias: fear of friday (paraskave) and fear of the thirteenth (dekatria).

Find out more about Friday the Thirteenth at History.com, including some of the superstitions surrounding it.