明治42年 (Meiji 42) is 1909 in the Western calendar. Check the age and zodiac below.
Yes. Meiji 42 (明治42年 in Japanese) corresponds to 1909 in the Western calendar.
1909 is the Year of the Rooster (酉（とり） in Japanese) in the 12-year zodiac cycle. In the older 60-year sexagenary cycle (kanshi) it is 己酉.
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.
Meiji 42 is written 明治42年 in Japanese. It is also commonly abbreviated M42 — for example on driver's licenses and other government forms.
