diff --git a/LoadingBar.java b/LoadingBar.java
index 67f6706..3a32d5f 100644
--- a/LoadingBar.java
+++ b/LoadingBar.java
@@ -380,17 +380,17 @@ public class LoadingBar {
 
 
    private static void showLoadingBar(LocalTime startTime, LocalTime endTime) {
-      long initialMinutes = startTime.until(endTime, ChronoUnit.MINUTES);
-      System.out.print(minutesToTimeString(initialMinutes) + " gesamt; Endzeit: " + TIME_FORMATTER.format(endTime) + "\n");
-      long passedMinutes = startTime.until(LocalTime.now(), ChronoUnit.MINUTES);
-      if (passedMinutes > initialMinutes) {
-         passedMinutes = initialMinutes;
+      long totalMinutes = startTime.until(endTime, ChronoUnit.MINUTES);
+      long passedMinutes = startTime.until(LocalTime.now().truncatedTo(ChronoUnit.MINUTES), ChronoUnit.MINUTES);
+      if (passedMinutes > totalMinutes) {
+         passedMinutes = totalMinutes;
       } else if (passedMinutes < 0) {
-         System.out.println(fillLoadingBar(initialMinutes, 0, false));
-         return;
+         var now = LocalTime.now().truncatedTo(ChronoUnit.SECONDS);
+         System.out.println("!ACHTUNG! Startzeit \"" + startTime + ":00\" liegt in der Zukunft von jetzt an (" + now + ") gesehen.");
       }
-      while (passedMinutes < initialMinutes) {
-         System.out.print(fillLoadingBar(initialMinutes, passedMinutes, true));
+      System.out.println(minutesToTimeString(totalMinutes) + " gesamt; Endzeit: " + TIME_FORMATTER.format(endTime));
+      while (passedMinutes < totalMinutes) {
+         System.out.print(fillLoadingBar(totalMinutes, passedMinutes, true));
          try {
             var now = LocalTime.now();
             var oneMinuteLater = now.plusMinutes(1).truncatedTo(ChronoUnit.MINUTES);
@@ -402,15 +402,15 @@ public class LoadingBar {
          }
          passedMinutes++;
       }
-      System.out.println(fillLoadingBar(initialMinutes, passedMinutes, false));
+      System.out.println(fillLoadingBar(totalMinutes, passedMinutes, false));
    }
 
 
-   private static String fillLoadingBar(long initialMinutes, long passedMinutes, boolean progressive) {
+   private static String fillLoadingBar(long totalMinutes, long passedMinutes, boolean progressive) {
+      var nonNegativePassedMinutes = passedMinutes < 0 ? 0 : passedMinutes;
       BigDecimal wholePercentage = BigDecimal.valueOf(100)
-         .multiply(BigDecimal.valueOf(passedMinutes) // kind of reverse dreisatz to avoid to have e.g. 99.9999 instead of 100 %
-         .divide(BigDecimal.valueOf(initialMinutes), MathContext.DECIMAL64));
-      long remainingMinutes = initialMinutes - passedMinutes;
+         .multiply( // kind of reverse dreisatz to avoid to have e.g. 99.9999 instead of 100 %
+            BigDecimal.valueOf(nonNegativePassedMinutes).divide(BigDecimal.valueOf(totalMinutes), MathContext.DECIMAL64));
       int numberOfEquals = wholePercentage.intValue();
       var sb = new StringBuilder("[");
       for (int i = 0; i < LINE_LENGTH; i++) {
@@ -420,8 +420,9 @@ public class LoadingBar {
             sb.append("-");
          }
       }
+      long remainingMinutes = totalMinutes - nonNegativePassedMinutes;
       sb.append("] ").append(PERCENTAGE_FORMAT.format(wholePercentage)).append("% ")
-          .append(minutesToTimeString(passedMinutes)).append(" - ").append(minutesToTimeString(remainingMinutes));
+          .append(minutesToTimeString(nonNegativePassedMinutes)).append(" - ").append(minutesToTimeString(remainingMinutes));
       if (progressive) {
          sb.append("\r");
       }