You are 75 years old if you were born on December 30, 1948.
You are 75 years 3 months, 3 weeks, and 5 days old or 904 months old or 3,930 weeks old or 27,510 days old or 660,240 hours old or 39,614,400 minutes old or 2,376,864,000 seconds old You were born on a Thursday.