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Hi John and All!
Happy 2015!
As March and November always start on the same day of the week, each year this
back-to-back Friday the 13th happens, also happens in November. So years like
2015 should be trice as lucky or unlucky - with three Friday the 13ths,
depending on
Two sequential Friday 13ths can only happen on Feb & March, and only in
non-leap years. So, i would guess it happens 3/28 years, or about 11% of
the time.
On 2015-01-05 16:35, John Pickard wrote:
Good morning all, and a happy 2015 to everyone.
Looking at my diary this morning, I noticed that
Good morning all, and a happy 2015 to everyone.
Looking at my diary this morning, I noticed that 2015 is a bit unusual in
having Friday 13 in consecutive months: February and March.
Does anyone know how often this occurs, when was the last time, and when is
the next time it will happen?
(An
Correct me if I'm wrong, but I don't recall reading about this on this
list before.
An article from 2011, titled "Is Rome’s Pantheon a Giant Sundial?" is
shown at
http://www.history.com/news/is-romes-pantheon-a-giant-sundial
It quotes a book “Time in Antiquity,” by Hannahas saying
“In design te
