On September 21, 1529, Álvaro de Saavedra Cerón commanded the Spanish ship Florida, on his second attempt to recross the Pacific from the Maluku Islands. He stood off a group of islands from which local inhabitants hurled stones at his ship. These islands, which he named "Los Pintados", may have been Ujelang. On October 1, he found another group of islands where he went ashore for eight days, exchanged gifts with the local inhabitants and took on water. These islands, which he named "Los Jardines", may have been Enewetak or Bikini Atoll.
How long did Cerón spend on Los Jardines? (If the question is unanswerable, say "unanswerable")
eight days