India
United Kingdom
Mumbai to London Time Difference
London is 4.5 hours behind Mumbai
Mumbai vs London — At a Glance
Mumbai to London — Hour-by-Hour
About Mumbai and London
Mumbai (population: 20.7M) is known for Bollywood, Bombay Stock Exchange, India's financial capital, and Gateway of India. London (population: 8.8M) is known for global finance, the City of London, Buckingham Palace, and the world's oldest underground railway.
Business Hours Overlap
Mumbai and London are both global financial centers. When Mumbai's market closes, London's is yet to open, creating a relay pattern common in 24-hour trading.
Calling Between Cities
To call London (+44) from Mumbai (+91), aim for late morning or early afternoon in Mumbai — that corresponds to morning hours in London when people are usually available.
Currency
Mumbai uses INR while London uses GBP. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Mumbai and London share English as a common language, which simplifies business communication.
Use our world clock tool to compare Mumbai and London visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Mumbai and London?
London, United Kingdom is 4.5 hours behind Mumbai, India. Mumbai is in the Asia/Kolkata timezone (UTC+5:30) and London is in the Europe/London timezone (UTC+1).
When it's noon in Mumbai, what time is it in London?
When it's 12:00 PM (noon) in Mumbai, it's 7:30 AM in London.
What is the best time to call London from Mumbai?
The best time to call London from Mumbai is during the overlapping business hours. When it's 9 AM in Mumbai, it's 4:30 AM in London. Aim for late morning to early afternoon in Mumbai for the best chance of reaching someone during working hours.
What currency does London use?
London, United Kingdom uses GBP. Mumbai uses INR. You will need to check the current exchange rate for transactions between the two.
What language is spoken in London?
The primary language in London is English. Mumbai also speaks English, making communication easier.
How do I dial London from Mumbai?
To call London from Mumbai, dial your international access code followed by +44 and the local number. Mumbai uses country code +91 and London uses +44.