There are 365 days in a common year and 366 days in a leap year in the Gregorian calendar. The leap year is exactly divisible by four, except for …
In many situations, we need to count the cases that fall in a year based on the start and end dates. For example, there are many contracts in a …
When working with ages, it is common to group ages into categories, especially for the demographic data. Instead of reporting the statistics in each age, people normally report the …
You may have wondered how long to be a certain age, for example, how many days or months to the age of 80. This is very similar to calculate …
The dates store as serial numbers in Excel. If you have a list of dates and wonder what would be the dates after a period of time, you can …
It sounds very simple and easy to get the date at a certain age if you know the birth date. For example, if a child was born on January …