It vs. That: "So, that’s it for to day"

[Van Khanh]

Please tell me the difference btw "it" and "that" in:

So, that’s it for today.

Can I say:

So, it’s that for today.

Thanks
K

[Alan]

Hi,

That's it for today is the accepted expression and means that we have now finished. Your other expression: It's that for today doesn't make sense.

Alan
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