There is nothing I am aware of in Excel that requires lower case letters in a year. Perhaps you need to ask this question again in the appropriate category or ask again to be more specific about what you would like to know.
Serial no. under lever; SN begins with lower case c, 1946; begins with upper case D, 1947
The summer season begins on June 21st every year, except in the case of a leap year, where summer begins on the 20th of June.
Yes, that is correct.
Recession is the term for this.
It refers to the year and month that the products begins to lose its efficacy. the year in this case is 2014 and the month is June.
The serial number JAF0368306 indicates that the case 60XT was manufactured in 2006. The first two letters typically represent the year of production, and "JAF" corresponds to the manufacturing code for that year. Therefore, you can conclude that this particular case was made in 2006.
4 letters in year
there are 4 letters in the word year.
It's probably a case number. It's common for case file numbers to begin with the year in which they originated, 2009 in this case, and then to contain letters that identify other aspects of the case. The "CR" probably means it is a criminal case. The remaining numbers and letters probably signify other information, as required by the local numbering system.
No. Spring, summer, autumn and winter are, unlike days of the week and months of the year, always lower-case.
The beginning of Advent which varies each year
The year was AD 1.