Japanese Age Calculator
Calculate your age in both Western and Japanese counting systems (数え年). Also discover your Chinese zodiac animal sign (干支).
Understanding Japanese Age Counting
Western Age (満年齢 - Man-nenrei)
- Starts at 0 when born
- Increases by 1 on each birthday
- Used in modern Japan for legal purposes
- Standard international age system
Japanese Age (数え年 - Kazoedoshi)
- Starts at 1 when born
- Traditionally increased by 1 on New Year's Day
- Still used in some traditional contexts
- Common in fortune telling and ceremonies
Chinese Zodiac Animals (干支 - Eto)
🐭
Rat
子 (ね)
🐮
Ox
丑 (うし)
🐯
Tiger
寅 (とら)
🐰
Rabbit
卯 (う)
🐲
Dragon
辰 (たつ)
🐍
Snake
巳 (み)
🐴
Horse
午 (うま)
🐐
Goat
未 (ひつじ)
🐵
Monkey
申 (さる)
🐓
Rooster
酉 (とり)
🐕
Dog
戌 (いぬ)
🐗
Boar
亥 (い)
The zodiac cycle repeats every 12 years. Your zodiac animal is determined by your birth year.