Calculate your age in days, years, minutes, seconds. Just know how many day / hours / minutes it has been since your time of birth. Calculate how many days are left for your birthday.
Here: *www.easycalculation.com/date-day/age-calculator.php
There are other sites giving in seconds also but base time zone is not mentioned therefore I excluded
Here: *www.easycalculation.com/date-day/age-calculator.php
There are other sites giving in seconds also but base time zone is not mentioned therefore I excluded