(1) All computations of age under this Act shall be reckoned according to the Gregorian calendar.
(2) In computing the age of any person the day on which he was born shall be included as a whole day, and he shall be deemed to have attained the age of eighteen years at the beginning of the eighteenth anniversary of that day.
Malay text (authoritative)
(1) Semua perhitongan umor di-bawah Akta ini hendak- Tafsiran. lah di-kira mengikut kalendar Gregory.
(2) Pada menghitong umor sa-saorang, hari orang itu di- Laniya needakkala disktakaa- sagaiå şai telah meochapai umor lapan belas tahun pada permulaan ulang-tahun kelapan belas hari itu.
Source: Laws of Malaysia, Attorney General's Chambers of Malaysia (lom.agc.gov.my). Not a copy of the Gazette printed by the Government Printer (Interpretation Acts 1948 and 1967, s 61).