Mar 19, 2019 from the countdown T-minus clues
Mar 20, 2019 Spring Equinox (cycle theory, start of a new cycle)
Mar 23, 1775 Patrick Henry's Give me Liberty speech
Apr 19, 1775 Battles of Lexington & Concord
Marker [-30] March 19, winter ends; March 20 a new beginning
Next marker [-45] falls between March 19 and April 19, approx time frame, built in holds for real world delays
Next marker [-60] End date?
Next marker [-90] Done in 30-final stage?