We changed the valueOf() function in the zotdate file to use built-in function getTime() instead of having values hardcoded in for comparison.

Main (line 59):
/**
* Used for comparing dates with < and >
* @return a number proportional to the amount of days elapsed since 0 AD, although not exact due to leap years
/
valueOf(): number {
return (
this.day.getDate() +
this.day.getMonth() * 31 +
this.day.getFullYear() * 366
);
}
Branch:
/*
* Used for comparing dates with < and >
* @returns an exact number that refers to the number of milliseconds that have passed since Jan 1, 1970. Can use
* valueOf() to check if the value of two Dates is the same.
*/
valueOf(): number {
const res = this.day.getTime();
return res;
}