Will fasting for 12 hours or following the fasting times of Saudi Arabia suffice for Muslims in the UK

Will fasting for 12 hours in the summer months or following the fasting times of Saudi Arabia suffice for Muslims in the UK?

The answer has moved to the following link: http://islamicportal.co.uk/will-fasting-for-12-hours-or-following-the-fasting-times-of-saudi-arabia-suffice-for-muslims-in-the-uk/