fix ISO time format
fix ISO time format

tomkralidis/GeoHealthCheck,geopython/GeoHealthCheck,geopython/GeoHealthCheck,tomkralidis/GeoHealthCheck,justb4/GeoHealthCheck,geopython/GeoHealthCheck,justb4/GeoHealthCheck,tomkralidis/GeoHealthCheck,tomkralidis/GeoHealthCheck,justb4/GeoHealthCheck,justb4/GeoHealthCheck,geopython/GeoHealthCheck