Standard Year : For the purposes of determining natural lighting, the hours between 8am and 5pm each day with an allowance being made for daylight saving
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}