in reply to
How to find the last date of the previous month?
my $one_month_ago = DateTime->today->subtract(months => 1);
month => $one_month_ago->month,
year => $one_month_ago->year,
)->mdy . "\n";'
By rote learning.
Via Genetic memory.
It's provided by my firmware.
I just remember them.
Thirty days hath September
My computer gets it right, usually.
I just ask someone else.
Someone punches me on the first of the month.
Results (180 votes),