urgent

need help with functions. for the hours, minutes, and seconds between the 2nd and first date

\begin{tabular}{|l|c|c|} \hline \multicolumn{2}{|c|}{ Date and Time Functions } \\ \hline Enter your birthdate & 12/18/73 \\ \hline Today's Date & 2/6/23 & \\ \hline Day of the week you were born: & 18 & \\ \hline Week of the year you were born: & 191 & \\ \hline Theyear you were born: & 1973 & \\ \hline You have been alive for about: & 17,947 & days \\ \hline & & hours \\ \hline \end{tabular}