Time zone converter
GMT to ICT
Convert London Time — GMT/BST to Indochina Time — Hanoi — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in London, it's 3:00 PM in Hanoi. Hanoi is 6 hours ahead of London. Use the converter above to turn any GMT time into ICT, or scan the hour-by-hour table below for the full day.
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London Time — GMT/BST ·
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Indochina Time — Hanoi ·
Convert a specific timein London → — in Hanoi
GMT to ICT at a glance
9:00 AM GMT
3:00 PM
ICT · Hanoi
12:00 PM GMT
6:00 PM
ICT · Hanoi
5:00 PM GMT
11:00 PM
ICT · Hanoi
Planning a meeting between London and Hanoi
Planning a call between London and Hanoi? The best overlap during a standard 9-to-5 workday runs 9:00 AM–11:00 AM GMT (3:00 PM–5:00 PM ICT). Aim for that window to reach both sides during business hours.
Hour-by-hour: London to Hanoi
A full day mapped from GMT to ICT.
Frequently asked
Is Hanoi ahead of or behind London?
Hanoi is 6 hours ahead of London.
What is 12:00 PM GMT in ICT?
12:00 PM in London is 6:00 PM in Hanoi.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so GMT and ICT automatically reflect the correct daylight-saving offset for the current date.