平成24年 (Heisei 24) is 2012 in the Western calendar. Check the age and zodiac below.
Yes. Heisei 24 (平成24年 in Japanese) corresponds to 2012 in the Western calendar.
2012 is the Year of the Dragon (辰（たつ） in Japanese) in the 12-year zodiac cycle. In the older 60-year sexagenary cycle (kanshi) it is 壬辰.
It depends on whether they have had their birthday yet this year. The box near the top of this page calculates both possible ages automatically from today's date — the lower number is their age before their birthday, the higher number is their age after.
Heisei 24 is written 平成24年 in Japanese. It is also commonly abbreviated H24 — for example on driver's licenses and other government forms.
