GOES - X-ray flare-like events Daily summary from 20120320 1913 to 20120321 1042 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20120320 2349 - 0038 C -5.7696 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.