Description:
In the Beneficiary Registration module, when entering the Date of Birth, the age is auto-calculated but it is not showing the correct value. There is a difference of around two days in the calculated age.

Steps to Reproduce:

1. Login to the FLW application.

1. Navigate to Beneficiary Registration.

1. Enter the Date of Birth of the beneficiary.

1. Observe the auto-calculated age displayed by the system.

Expected Result:
The age should be auto-calculated correctly based on the entered Date of Birth.

Actual Result:
The auto-calculated age shows an incorrect value with a difference of approximately two days.