2012-05-20: Partial annular eclipse as seen from Norman, OK Published 20 May 2012 at 1728 × 1296 in Partial solar eclipse as seen from Norman. The sun, about 50% covered by the moon’s silhouette at 8:16 p.m. The sun, about 50% covered by the moon’s silhouette, dips behind a cumulus cloud as seen from Norman, OK at 8:16 p.m.