<td:d> Inserts date's day into the currently active window.


Command Tree:   Text, Date & Time, Keys  \  More Date & Time  \  Today: Day
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Syntax:   <td:d>(Shift)
Shift
The date shift in days relative to the current date.  0 for no shift (today's date), -1 for date one day back (yesterday), +1 for date one day later (tomorrow), etc. 
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Example:   Today's day: <td:d>(0)<enter>Tomorrow's day: <td:d>(1)