Hactober-2023-1/digital clock at main · Parvm1102/Hactober-2023-1 · GitHub

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#include <stdio.h>
#include <time.h>
#include <unistd.h>
#include <stdlib.h>

void clearScreen() {
    printf("\033[H\033[J");
}

int main() {
    int hour, minute, second;
    hour = minute = second = 0;

    while (1) {
        clearScreen();
        printf("%02d:%02d:%02d ", hour, minute, second);
        fflush(stdout);
        second++;

        if (second == 60) {
            minute += 1;
            second = 0;
        }

        if (minute == 60) {
            hour += 1;
            minute = 0;
        }

        if (hour == 24) {
            hour = 0;
            minute = 0;
            second = 0;
        }

        sleep(1);
    }

    return 0;
}