Saros cycle

Saros cycle 223 synodic months 
"two hundred and twenty seven months" = 133 (Full Reduction)
(approximately 6585.3211 days, or 18 years, 11 days, 8 hours),  

6585 days = Nero, Caesar and DC 

"Nero Claudius Caesar Drusus Germanicus" = 6585 (Squares)
"Caesar Marcus Ulpius Nerva Traianus" = 6585 (Squares)
"District of Columbia United States of America" = 6585 (Squares)

The saros is a period of approximately 223 synodic months (approximately 6585.3211 days, or 18 years, 11 days, 8 hours), that can be used to predict eclipses of the Sun and Moon. One saros period after an eclipse, the Sun, Earth, and Moon return to approximately the same relative geometry, a near straight line, and a nearly identical eclipse will occur, in what is referred to as an eclipse cycle. A sar is one half of a saros.


A series of eclipses that are separated by one saros is called a saros series.

Saros cycle 6585.3211 days, or 18 years, 11 days, 8 hours) add the extra hours to make it 6586 and you have this....  
From and including: Sunday, July 29, 2001
To, but not including Saturday, August 10, 2019 (tishabav eve)
Result: 6586 days   
July 29th 2001 was 44 days before 9/11

Sun, 29 July 2001 = 9th of Av, 5761
ט׳ בְּאָב תשס״א
Parashat Vaetchanan (in Diaspora)
Tish'a B'Av 

Sat, 10 August 2019 = 9th of Av, 5779
ט׳ בְּאָב תשע״ט
Parashat Devarim (in Diaspora)
Shabbat Chazon
Erev Tish'a B'Av

From 9/11/2001 to 9/23 the 266th day of the year... 
From and including: Tuesday, September 11, 2001
To, but not including Monday, September 23, 2019
Result: 6586 days