Time it has been since Tuesday, January 1st, 2019, Javascript

Language: Layout:

var os = new Date();
var heck = Math.round((((((os.getTime()/1000)/60)/60)/24)/365)/4)

var seconds = os.getTime()/1000-1545264000;
var minutes = 0;
var hours = 0;
var days = 0-heck;
var years = 0;

while (seconds >= 60) {
    seconds-=60;
    minutes++;
}

while (minutes >= 60) {
    minutes-=60;
    hours++;
}

while (hours >= 24) {
    hours-=24;
    days++;
}

while (days >= 365) {
    days-=365;
    years++;
}

// LINE OF STRINGS ------------------------------------

if (years < 10) {
    years = years.toString();
    years = "0"+years;
}
if (days < 10) {
    days = days.toString();
    days = "0"+days;
}
if (hours < 10) {
    hours = hours.toString();
    hours = "0"+hours;
}
if (minutes < 10) {
    minutes = minutes.toString();
    minutes = "0"+minutes;
}
if (seconds < 10) {
    seconds = seconds.toString();
    seconds = "0"+seconds;
}
seconds = seconds.toString();

var i;
for (i = 0; i < seconds.length; i++) {
    if (seconds.substring(i-1,i) == ".") {
        seconds = seconds.substring(0,i-1);
    }
}

print("yy:dd:hh:mm:ss")
print(years+":"+days+":"+hours+":"+minutes+":"+seconds)

[ + ] Show input
Absolute running time: 0.21 sec, cpu time: 0.16 sec, memory peak: 7 Mb, absolute service time: 0,22 sec