On Mon, 20 Aug 2018 08:31:54 -0700, allisellis851 wrote:

+AD4 On Monday, August 20, 2018 at 9:14:09 AM UTC-5, jf...+AEA-my-deja.com wrote:
+AD4APg On Monday, August 20, 2018 at 7:04:21 AM UTC-7, 251...+AEA-gmail.com wrote:
+AD4APg +AD4 Make fake time great again+ACE
+AD4APg Local control, back to the days before the railroads imposed time zones on the country, and when some floors of an office building would observe Daylight Saving Time and others would stay on Standard Time+ACE In this world of alternative facts, truth isn't truth.
+AD4
+AD4 The most accurate time came from Sundials and the Stars.

Until very accurate clocks were developed. Then people noticed that sundial time bobbled around over the year by about +-/- 15 minutes. So they averaged out the sun time to come up with +ACI-mean+ACI time.