A calendar is a cultural convention of tracking extended time. It is internalized without much thought by a culture, but it is interesting (and important) to note that calendars have changed significantly over time. In fact, it may come as a surprise to some readers that the current method for date reckoning that Western nations use is called the Gregorian calendar, which was recently (1582 AD) put into place by Pope Gregory XIII to improve the former Julian calendar, which had been used utilized since the time of domination by the Roman Empire. The Julian calendar, named after Julius Caesar (40s BC), was largely accurate but was off by about 1 day per 100 years. Thus, Pope Gregory instituted a new calendar that would align even more precisely with the times and seasons, and would avoid having a regression (however slight it may be). So, the present calendar we use…