US/Eastern offset

[jladasky at itu.edu]

On Thursday, December 22, 2016 at 5:57:42 PM UTC-8, Chris Angelico wrote:
> On Fri, Dec 23, 2016 at 12:54 PM,  <j... at itu.edu> wrote:
> > Wouldn't most users prefer that modern time zones be the default information returned by pytz, instead of 150 year-old historical time zones?
> 
> They're the *same* time zones.
> 
> ChrisA

Apparently, they're not quite the same.  The four-minute discrepancy between New York local (mean solar?) time and the modern time zone is what got Skip Montanaro asking questions.