Dhaka is 6 hours ahead of London during GMT, and 5 hours ahead during BST. When it's 12:00 PM in London (winter), it's 6:00 PM in Dhaka. Bangladesh does not observe DST.
Bangladesh uses BST (UTC+6) year-round while the UK switches between GMT (winter) and BST (summer). The difference is 6 hours in winter and 5 hours in summer.
Morning London works best! 9:00 AM - 12:00 PM London (winter) corresponds to 3:00 PM - 6:00 PM Dhaka. Morning London catches Dhaka's afternoon.
Bangladesh has the world's largest garment industry with major UK retailers sourcing from Dhaka. The UK has a significant Bangladeshi community, particularly in London.