Why Opamp UA741 CN (from ST) is saturating at 0.60V, when vcc=12V,-vcc=0?
the uA741 opamp does not include the negative rail in its common-mode range.

In this schematic, you have placed the negative rail at 0V.  Also, the negative terminal is at zero volts.  So the opamp is operating outside its common-mode range.  It is not working because it is misapplied.