Tishabav to Tubav #911 #6 #144

Why did Parkland shooting happen on Valentines Day?
Because Tubav is always 6 days after Tishabav

Tishabav 9/11 Tubav Valentines Day

9/11/2001 to 2/14/2018 is exactly....
6000 days or 144,000 hours

Tishabav to Tubav is exactly....
6 days or 144 hours

From and including: Tuesday, September 11, 2001
To, but not including Wednesday, February 14, 2018
Result: 6000 days
144,000 hours

Sun, 11 August 2019 = 10th of Av, 5779
י׳ בְּאָב תשע״ט
Parashat Vaetchanan (in Diaspora)
Tish'a B'Av

Tisha B'Av (Hebrew: תשעה באב or ט׳ באב, "the Ninth of Av,") is an annual fast day in Judaism, named for the ninth day (Tisha) of the month of Av in the Hebrew calendar. The fast commemorates the destruction of both the First Temple and Second Temple in Jerusalem, which occurred about 655 years apart, but on the same Hebrew calendar date.

Fri, 16 August 2019 = 15th of Av, 5779
ט״ו בְּאָב תשע״ט
Parashat Vaetchanan (in Diaspora)
Tu B'Av

Tu B'Av / טו באב
Tu B'Av (Hebrew: ט״ו באב, the fifteenth of the month Av) is a minor Jewish holiday. In modern-day Israel, it is celebrated as a holiday of love (Hebrew: חג האהבה‎, Hag HaAhava), similar to Valentine's Day.

From and including: Sunday, August 11, 2019
To and including: Friday, August 16, 2019
Result: 6 days
144 hours

9/11/2001 to 2/14/2018 = 6000 or 144,000
8/11/2019 to 8/15/2019 = 6   or   144