Thirteenth of the month - Wikipedia The thirteenth of the month or thirteenth day of the month is the recurring calendar date position corresponding to the day numbered 13 of each month In the Gregorian calendar (and other calendars that number days sequentially within a month), this day occurs in every month of the year, and therefore occurs twelve times per year
Thirteenth - definition of thirteenth by The Free Dictionary Define thirteenth thirteenth synonyms, thirteenth pronunciation, thirteenth translation, English dictionary definition of thirteenth n 1 The ordinal number matching the number 13 in a series 2 One of 13 equal parts thir·teenth′ adv adj American Heritage® Dictionary of the English
thirteenth - Wiktionary, the free dictionary Noun thirteenth (plural thirteenths) The person or thing in the thirteenth position One of thirteen equal parts of a whole (music) The interval comprising an octave and a sixth (in dates) The thirteenth day of a month January 13th
Thirteenth Definition Meaning - YourDictionary Euclid discusses them in the thirteenth book of his Elements, where he proves that no more regular bodies are possible, and shows how to inscribe them in a sphere