To calculate your actual age, you need to determine the number of complete years that have passed since your date of birth up to the current date. Here’s a step-by-step process:
Determine Your Date of Birth: Record your birth date using the year, month, and day.
Calculate the Difference in Years: Subtract your birth year from the current year. This gives an initial answer but can often lead to misunderstanding whether you’ve already celebrated your birthday this year or not.
Check the Month and Day:
If the current month and day have already passed once this year, your age will be the number from step 2.
If today’s month and date haven’t occurred yet this year (meaning your birthday is still upcoming), subtract one from the result of step 2 to find your current age.
Use an Accurate Calendar: While calculating your age, it’s standard to use the Gregorian calendar, which is the most widely used civil calendar and accounts for the Earth’s rotation and revolution accurately, including leap years. Nearly all age-calculating situations use this calendar unless specified otherwise by cultural or regional variations.
By following these steps using the Gregorian calendar, you will have an accurate determination of your true age. Other calendar systems exist, like lunar calendars, but they are not typically used for calculating age in a straightforward manner, as they do not align with the solar year in the same way the Gregorian calendar does.