GOES - X-ray flare-like events Daily summary from 20120328 1913 to 20120329 1042 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20120328 2148 - 2205 C -5.8239 20120329 0952 - 0956 C -5.1085 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.