elasped time

#include<stdio.h>

struct time{
    int hours;
    int minutes;
    int seconds;
};

struct time elapsed_time(struct time t1, struct time t2){

    int newHours = 0, newMinutes = 0, newSeconds = 0;

    if (t1.seconds > t2.seconds){
        newSeconds += (60 - t1.seconds) + t2.seconds;
        newMinutes--;
    }else{
        newSeconds += t2.seconds - t1.seconds;
    }

    if (t1.minutes > t2.minutes){
        newMinutes += (60 - t1.minutes) + t2.minutes;
        newHours--;
    }else{
        newMinutes += t2.minutes- t1.minutes;
    }

    if (t1.hours > t2.hours){
        newHours += (23 - t1.hours) + t2.hours;
        if (t2.hours == 0){ // special case for passing midnight
            newHours++;
        }
    }else{
        newHours += t2.hours- t1.hours;
    }

    struct time newTime = {newHours, newMinutes, newSeconds};

    return newTime;

}

int main(void){

    struct time time1 = {2,14,31}, time2 = {0, 16, 31};
    struct time newTime = elapsed_time(time1, time2);

    printf("The difference between the times are %.2i:%.2i.%.2i", newTime.hours, newTime.minutes, newTime.seconds);
    return 0;
}