Rebus (Harry 23 Sept)

[Harry_the_cat]

\(\displaystyle \Sigma\) nox = nox (2)

 

[ksdhart2]

I believe the answer is Summer Equinox. Kinda thematically appropriate for this time of year.

 

[Harry_the_cat]

How does the left side work...ok with "sum",
but how does nox = mer?

\(\displaystyle \Sigma\) is an instruction to sum, therefore it is a "summer".
nox = nox means equinox

 

[Harry_the_cat]

I believe the answer is Summer Equinox. Kinda thematically appropriate for this time of year.

Yes!! Well done.