Islamabad is 5 hours ahead of London (GMT), and 4 hours ahead during BST. Islamabad uses PKT (UTC+5). London uses GMT/BST and observes DST.
When it's 12:00 PM in London, it's 5:00 PM (GMT) or 4:00 PM (BST) in Islamabad.
Morning London, afternoon Islamabad! 9:00 AM in London is 2:00 PM or 1:00 PM in Islamabad.
Pakistan and the UK have strong historical and cultural ties. British Airways and PIA operate direct flights between London and Pakistani cities.