fix: emit export pickup times as clock readings without an offset

src/BusProNet/Traits/TypeConversionTrait.php

@@ -79,6 +79,9 @@ trait TypeConversionTrait
      * This method is used primarily to parse pickup-times since data is
      * either provided with date and time or time only. In this case a
      * date has to be provided which defaults to a travel's start date.
+     *
+     * Both shapes are read in the default date's zone, so a caller that needs plain clock
+     * readings can pass a UTC date and no daylight saving gap shifts the time.
      */
     protected function stringToDateTimeFuzzy(?string $string, \DateTimeImmutable $defaultDate): ?\DateTimeImmutable
     {
@@ -89,12 +92,12 @@ trait TypeConversionTrait
         try {
             if (1 === preg_match('/^\d{2}:\d{2}$/', $string)) {
                 // time only provided
-                $dateTime = Carbon::createFromFormat('H:i', $string);
+                $dateTime = Carbon::createFromFormat('H:i', $string, $defaultDate->getTimezone());
                 // assign default date
                 $dateTime->setDateFrom($defaultDate);
             } else {
                 // date and time provided
-                $dateTime = Carbon::createFromFormat('d.m.Y H:i', substr($string, 0, 16));
+                $dateTime = Carbon::createFromFormat('d.m.Y H:i', substr($string, 0, 16), $defaultDate->getTimezone());
             }
 
             return $dateTime->toDateTimeImmutable();