Perhaps. I would have to locate each of the exceptions and see whether any are adjoining. My guess is that many are adjacent to either Kansas City or St. Louis, both of which observed daylight savings time prior to 1966. Adjoining localities could share the same region.
On Nov 23, 2018, at 3:45 PM, Guy Harris <guy@alum.mit.edu> wrote:
On Nov 23, 2018, at 12:25 PM, Jane Eisenstein <softweave@gmail.com> wrote:
Here are the scans from:
On Nov 23, 2018, at 1:50 PM, Jane Eisenstein <softweave@gmail.com> wrote:
Missouri daylight-savings time information from the 1990 revision of Time Changes in the U.S.A. by Doris Chase Doane.
So, at least as I read what they're saying, that would require *several* new tzdb regions for the local regions where DST was observed.