Concrete temporal CRS of seconds elapsed from 1-Jan-1970 (00h00 UTC). https://www.opengis.net/def/crs/OGC/0/UnixTime Unix Time POSIX Time Initial version (0.1) not known 1D coordinate system containing a time axis measuring seconds [s]. %seconds-cs% Initial version (0.1) Coordinate system axis for the recording of seconds [s]. https://www.opengis.net/def/axis/OGC/0/seconds Initial version (0.1) unix https://www.opengis.net/def/axisDirection/OGC/1.0/future Origin of Unix time (1-Jan-1970, 00h00 UTC). %unix-td% Initial version (0.1) not known 1970-01-01T00:00:00Z