平成10年 (Heisei 10) is 1998 in the Western calendar. Check the age and zodiac below.
Yes. Heisei 10 (平成10年 in Japanese) corresponds to 1998 in the Western calendar.
1998 is the Year of the Tiger (寅（とら） in Japanese) in the 12-year zodiac cycle. In the older 60-year sexagenary cycle (kanshi) it is 戊寅.
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 10 is written 平成10年 in Japanese. It is also commonly abbreviated H10 — for example on driver's licenses and other government forms.
