Fazrin nirzaf

so-called calendrical savant (or calendar savant) is someone who despite their intellectual disability (typically autism) can name the day of the week of a given date, or visa versa in a few seconds or even a tenth of a second (Kennedy & Squire, 2007). In the clip below, mega-savant Kim Peek, inspiration for the movie Rain Man, does so while taking questions from an audience: While extremely impressive to behold, calendar calculations are actually very simple to perform and can be learned in less than 30 minutes.