diff --git a/internal/filter/timeFrame_test.go b/internal/filter/timeFrame_test.go
new file mode 100644
index 0000000..ffc4be9
--- /dev/null
+++ b/internal/filter/timeFrame_test.go
@@ -0,0 +1,62 @@
+package filter_test
+
+import (
+	"testing"
+	"time"
+
+	"github.com/inovex/CalendarSync/internal/filter"
+	"github.com/inovex/CalendarSync/internal/models"
+)
+
+const timeFormat string = "2006-01-02T15:04"
+
+// Events which match the start and end hour should be kept
+func TestTimeFrameEventsFilter(t *testing.T) {
+	t1, err := time.Parse(timeFormat, "2024-01-01T13:00")
+	if err != nil {
+		t.Error(err)
+	}
+
+	t2, err := time.Parse(timeFormat, "2024-01-01T18:00")
+	if err != nil {
+		t.Error(err)
+	}
+
+	sourceEvents := []models.Event{
+		// Should be kept
+		{
+			ICalUID:     "testId",
+			ID:          "testUid",
+			Title:       "test",
+			Description: "bar",
+			AllDay:      true,
+			StartTime:   t1,
+		},
+		// Should be filtered
+		{
+			ICalUID:     "testId2",
+			ID:          "testUid2",
+			Title:       "Test 2",
+			Description: "bar",
+			AllDay:      false,
+			StartTime:   t2,
+		},
+		// Should be kept
+		{
+			ICalUID:     "testId3",
+			ID:          "testUid2",
+			Title:       "foo",
+			Description: "bar",
+			StartTime:   t1,
+		},
+	}
+
+	expectedSinkEvents := []models.Event{sourceEvents[0], sourceEvents[2]}
+
+	eventFilter := filter.TimeFrameEvents{
+		// Events outside 8 am and 5 pm will be filtered.
+		HourStart: 8,
+		HourEnd:   17,
+	}
+	checkEventFilter(t, eventFilter, sourceEvents, expectedSinkEvents)
+}