Calculate link confirmation timeout 24h in java

We need to calculate the difference in minute between the Date from database and current Date. If the difference in minutes is greater then 1440 minutes (1 day) then we return the expiration message, if not then link is still active.

Code which solves the problem in question:

import java.time.LocalDateTime;
import java.time.ZoneOffset;
import java.util.Date;

public class Solution {

    public static void main(String[] args) {

        // your time from database
        LocalDateTime of1 = LocalDateTime.of(2020, 1, 20,  16,   20,  0,  0);
        Date from = Date.from(of1.toInstant(ZoneOffset.UTC));
        
        Date now  = new Date(); // current time

        long differenceInMinutes = getDifferenceInMinutes(from, now);
        System.out.println(differenceInMinutes);

        // 24 h * 60 min = 1440 min
        if (differenceInMinutes > 1440) {
            System.out.println("Confirmation link was active 24h.");
        } else {
            System.out.println("Link is still valid.");
        }
    }

    public static long getDifferenceInMinutes(Date from, Date now) {
        long diff = now.getTime() - from.getTime();
        return diff / (60 * 1000);
    }
}

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