Jakarta is typically 7 hours ahead of London. When it's 12:00 PM in London, it's 7:00 PM in Jakarta. Indonesia uses WIB (UTC+7) for Jakarta/Western Indonesia.
During UK summer time (March to October), the difference is 6 hours. During UK winter time, Jakarta is 7 hours ahead of London.
Morning London works best! 9:00 AM - 11:00 AM London corresponds to 3:00 PM - 5:00 PM Jakarta (UK winter) or 4:00 PM - 6:00 PM (UK DST). Morning London catches late afternoon Jakarta.
Indonesia is the world's fourth most populous country. Jakarta is Southeast Asia's largest city, and growing trade relations with the UK are driving increased business connectivity.