15 wamber

Ass 15 wamber d ass wis 319 n useggas (wis 320 deg iseggasen bisekstil). Llan 46 wussan deffir-s ar taggara n useggas.
14 wamber - 15 wamber - 16 wamber

 Tilalliyin 
 1738: William Herschel

 Imagraden iqqenen 

Taggayt:Ass n wamber