1.0 link Rainbow Dash Network http://rainbowdash.net/ Pony (pony) http://rainbowdash.net/pony http://rainbowdash.net/notice/2200412 So.. #<span class="tag"><a href="http://rainbowdash.net/tag/canon" rel="tag">canon</a></span> states that #<span class="tag"><a href="http://rainbowdash.net/tag/applejack" rel="tag">Applejack</a></span> is at least 16.5, likely around 18 years old. She was able to speak at her first reunion (the Cakes couldn't at 1 month), and she appeared fully or near fully grown in another reunion photo. Each reunion is 100 [full] moons apart (8 years and 30 days), so, assuming the most recent is AJ's 3rd reunion, that gives her a fairly definitive age keeping in mind that Faust said the mane 6 were teens.