There are 29.530589 days in a Synodic Lunar Month. Divide the date span by this conversion factor to get the total number of lunar synodic months.
Seven7One1 pointed this out to me today.
Something else I found in relation to my work is that the first day of Trump’s 888th lunar synodic month, March 1st, 2018, marks the 218th calendar month of the 21st century. “March” = 218 Satanic