GOES - X-ray flare-like events Daily summary from 20120317 1913 to 20120318 1042 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20120317 2036 - 2037 C -5.2366 20120317 2038 - 2040 M -4.8539 20120317 2041 - 2047 C -5.057 20120318 0231 - 0246 C -5.7167 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.