Time class (minute,second convartion)

#include <iostream>
using namespace std;

class Time
{
private:
    int seconds;
public:
    Time()
    {
        this->seconds = 0;
    }
    Time(int hour, int minute, int sec)
    {
        this-> seconds = (hour*3600) + (minute*60) + sec;
    }
    Time(int sec)
    {
        this-> seconds = sec;
    }
    void printTime()
    {
        int hour,minute,sec;
        hour = this->seconds/3600;
        minute = (this->seconds%3600)/60;
        sec = this->seconds - (hour*3600) - (minute*60);
        cout << "Time is: ";
        if(hour<10)
        {
            cout << "0";
        }
        cout << hour << ":" << minute << ":" << sec <<endl;
    }
    int getHour()
    {
        return (this->seconds/3600);
    }
    int getMin()
    {
        return (this->seconds/60);
    }
    int getSec()
    {
        return (this->seconds);
    }
};

int main()
{
    Time t1, t2(5000), t3(2,20,8);
    t2.printTime();
    cout << "Total Hour for Object T2 is: " << t2.getHour() <<endl;
    cout << "Total Minutes for Object T2 is: " << t2.getMin() <<endl;
    cout << "Total Seconds for Object T3 is: " << t3.getSec()<< endl;

    return 0;
}