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Free! Ages and Birthdates

This is going entirely by how old they were when Free! was airing (from July 4th 2013), or in relation to each other.

Haruka Nanase
-June 30th
-Just turned 17 in the story
-Born 6/30/1996

Makoto Tachibana
-November 17th
-Born the same year as Haru, so younger
-Born 11/17/1996

Nagisa Hazuki
-August 1st
-Is a year younger than both Haru and Makoto
-Born 8/1/1997

Rei Ryugazaki
-December 14th
-Is 15, going on 16
-Same year as Nagisa
-Born 12/14/1997

Rin Matsuoka
-February 2nd
-Same year as Makoto and Haruka
-http://potionwine.tumblr.com/post/67111190123/rin-haru-who-is-older
-This post explains it all
-Born 2/2/1997

Sosuke Yamazaki
-September 14th
-Once again, same as Makoto, Haruka, and Rin
-Born 9/14/1996

Aiichiro Nitori
-January 4th
-Same year as Nagisa and Rei
-Born 1 /4/1998

Momotaro Mikoshiba
-December 6th
-Starting his first year of high school at 15
-Born 12/6/1998

Conclusions:
- Ai was the baby of the group until Momo showed up.
- You know Nagisa has played the age card on Rei.
- Haru is the oldest in general.
- Sosuke and Makoto are absolutely the mom and dad duo of the group, despite not being the oldest.
- In real time, they’re probably all in college by now (except maybe Momo).
- I still love these boys.