Moscow is 2-3 hours ahead of London. During UK winter (GMT), Moscow is 3 hours ahead. During UK summer (BST), Moscow is 2 hours ahead. Russia doesn't observe DST, using MSK (UTC+3) year-round.
Moscow is Russia's capital and largest city, a major global business center.
Morning hours work well! 9:00 AM - 3:00 PM London corresponds to 11:00 AM - 5:00 PM or 12:00 PM - 6:00 PM Moscow depending on UK DST.
Moscow and London are approximately 4-hour flights apart. British Airways and Aeroflot historically operated this route.