Add PlanetaryTime.time and .date convenience properties

src/planetarytime/planetary_time.py

@@ -139,6 +139,16 @@ class PlanetaryTime:
         """Second within the current minute (0-indexed)."""
         return self._second
 
+    @property
+    def time(self) -> str:
+        """Current time of sol as 'HH:MM:SS'."""
+        return f"{self._hour:02d}:{self._minute:02d}:{self._second:02d}"
+
+    @property
+    def date(self) -> str:
+        """Current date as 'Year X, Sol Y'."""
+        return f"Year {self._year}, Sol {self._sol}"
+
     # ------------------------------------------------------------------
     # String representation
     # ------------------------------------------------------------------