昭和13年 (Showa 13) is 1938 in the Western calendar. Check the age and zodiac below.
Yes. Showa 13 (昭和13年 in Japanese) corresponds to 1938 in the Western calendar.
1938 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.
Showa 13 is written 昭和13年 in Japanese. It is also commonly abbreviated S13 — for example on driver's licenses and other government forms.
