Definition: Word "2009060202" translates to "Year 2009, Month 6, Day 2". A date in a calendar year typically has four digits before the century year (E1) followed by three digits for each month (M1-M3), and then two digits for each day of that month. For example: E12M18D2, where "E" is the year, "12" refers to the number of months in this calendar year, "M1" indicates the start of the month, "18" means there are 18 days in March, and "D2" stands for Day 2.