Civil Code Article 124
This English translation was last updated on 2021-01-20, but the Chinese text was amended on 2026-08-17. Later amendments may not be reflected in the translation — please refer to the Chinese text.
The age of a person is counted from his birthday.If the month and the day of birth of a person are impossible to ascertain, he is presumed to have been born on the first day of July. If the month is known and the day is impossible to ascertain, he is presumed to have been born on the fifteenth day of the said month.
中文原文 民法第124條
年齡自出生之日起算。
出生之月、日無從確定時，推定其為七月一日出生。
知其出生之月，而不知出生之日者，推定其為該月十五日出生。
出生之月、日無從確定時，推定其為七月一日出生。
知其出生之月，而不知出生之日者，推定其為該月十五日出生。