these occur when there is a palindrome fromed or the date are in increasing or decreasing order
examples
20/02/2002
Quincunx
symmetrical shapes
symmetrical
Something with symmetry is said to be symmetrical
A coincidence
A symmetrical date is a day of the year which when written in numerical form shows a symmetry or order. For example Eleventh November Two Thousand and Eleven when written in numerical date format becomes 11-11-11.
I would call it a symmetrical date.
Symmetrical
Symmetrical
Quincunx
A coincidence
symmetrical
symmetrical shapes
symmetrical
Something with symmetry is said to be symmetrical
No. That's called pedophilia.
Such shapes are known as symmetrical.