PyqtGraph. Display graphs time axis in UTC (instead of local time)

src/utils.py

@@ -26,7 +26,7 @@ class TimeAxisItem(pg.AxisItem):
         self.enableAutoSIPrefix(False)
 
     def tickStrings(self, values, scale, spacing):
-        return [datetime.datetime.fromtimestamp(value).strftime("%H:%M:%S") for value in values]
+        return [datetime.datetime.fromtimestamp(value, tz=datetime.timezone.utc).strftime("%H:%M:%S") for value in values]
 
 
 def highlight_row(table: QTableWidget, highlighted_row_id: int,