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How may I know my age?

Published in Age Calculation 3 mins read

You can determine your age by subtracting your date of birth from the current date.

Here's a more detailed explanation:

  • The Basic Calculation: The fundamental principle involves calculating the difference between two dates: the current date and your date of birth.

  • The Age Formula: The age is calculated as:

    Age = Current Date - Date of Birth

  • Accounting for Months and Days: Simply subtracting the years might not be accurate. You also need to consider the months and days.

    • If the current month is after your birth month, or if the current month is the same as your birth month but the current day is after your birth day, then the age is the difference in years.

    • If the current month is before your birth month, or if the current month is the same as your birth month but the current day is before your birth day, then the age is the difference in years minus one.

  • Methods for Calculating Age:

    • Manual Calculation: You can manually calculate this by subtracting the birth date from the current date. This can be tedious.

    • Online Age Calculators: Many websites offer free age calculators. You simply input your birth date and the current date, and the calculator will provide your age. Some examples include:

    • Spreadsheet Software (e.g., Excel, Google Sheets): Spreadsheet programs have built-in functions to calculate the difference between dates. For example, in Excel, you can use the DATEDIF function.

    • Programming Languages: If you're a programmer, you can use libraries in languages like Python (e.g., datetime module) or JavaScript (e.g., Date object) to calculate age.

Example:

Let's say today's date is October 26, 2023, and your birth date is May 10, 1990.

  1. Year Difference: 2023 - 1990 = 33 years.
  2. Month Check: October (10) is after May (5), so you are at least 33 years old.
  3. Day Check: The day of the month (26) is after your birth day of the month (10) so you ARE 33 years old.
  4. Therefore, your age is 33 years.

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