File Naming Convention The file naming convention common to all MODIS Level 3 global products is MOD10CM.A2000061.005.2006272184905.hdf. Refer to Table 1 for an explanation of the variables used in the MODIS file naming convention. Table 1. Variable Explanation for MODIS File Naming Convention Variable Explanation MOD MODIS/Terra 10CM Type of product A Acquisition date 2000 Year of data acquisition 061 Day of year of data acquisition (day 61) 005 Version number 2006 Year of production (2006) 272 Day of year of production (day 272) 184905 Hour/minute/second of production in GMT (18:49:05) hdf HDF-EOS data format