Classical thresholds here use lunar years. A Gregorian birth date may be used to calculate elapsed time, but the number fifteen must not simply be interpreted as fifteen solar years.
A lunar year is shorter, so fifteen lunar years elapse before fifteen solar years.
Example: when only a Gregorian date of birth is recorded, the required lunar period should be calculated separately.
Legal age requirements under a country’s laws may be different from this fiqh discussion.
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Counting age by lunar rather than solar years
Kitab al-Hajr: Signs of Puberty, Age Thresholds, and the Muraahiq’s Claim
Classical thresholds here use lunar years. A Gregorian birth date may be used to calculate elapsed time, but the number fifteen must not simply be interpreted as fifteen solar years.
A lunar year is shorter, so fifteen lunar years elapse before fifteen solar years.
Example: when only a Gregorian date of birth is recorded, the required lunar period should be calculated separately.
Legal age requirements under a country’s laws may be different from this fiqh discussion.