平成15年 (Heisei 15) is 2003 in the Western calendar. Check the age and zodiac below.
Yes. Heisei 15 (平成15年 in Japanese) corresponds to 2003 in the Western calendar.
2003 is the Year of the Goat (未（ひつじ） in Japanese) in the 12-year zodiac cycle. In the older 60-year sexagenary cycle (kanshi) it is 癸未.
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 15 is written 平成15年 in Japanese. It is also commonly abbreviated H15 — for example on driver's licenses and other government forms.
