Date-based calculated sets

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I want to allow users to quickly see data on this month (i.e. month to date)
or last month, this quarter or last quarter. I don't think I need to enable
comparison between date periods.

I was thinking of adding Calculated Sets called "This Month", "Last Month",
"This Quarter" and "Last Quarter" to my Date dimension. What's the best way
to do this?

Thanks.
.