<td:mlz> Inserts date's month (with leading zero, e.g., 02) into the currently active window.

Command Tree:   Text, Date & Time, Keys  \  More Date & Time  \  Today: Month (leading zero)
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Syntax:   <td:mlz>(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 it is month: <td:mlz>(0)<enter>Tomorrow it will be month: <td:mlz>(1)