London HanoiTime Converter

London (BST, UTC+1) is currently 6 hours behind Hanoi (ICT, UTC+7). Compare live clocks, convert any hour, and find times to meet.

Live DST-aware Shareable URLs
 
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Quick answer

When it's in London, it's the same day in Hanoi.

London (GMT/BST) runs 6 hours behind Hanoi (ICT). Both sides keep standard office hours with a real 9–6 overlap — the highlighted window below works for everyone.

Time difference
+6h 00m
London
UTC+1
Hanoi
UTC+7
Best call window
9:00 AM BST
Hour by hour

London to Hanoi conversion table

The next 12 hours in London and the matching local time in Hanoi. The current hour is highlighted; drag the converter's slider and the table follows.

Hourly conversion from London to Hanoi
London · BST Hanoi · ICT Hanoi status
NOW
Mon, Jun 22
Mon, Jun 22
Night
Mon, Jun 22
Mon, Jun 22
Night
Mon, Jun 22
Mon, Jun 22
Night
Mon, Jun 22
Mon, Jun 22
Night
Mon, Jun 22
Mon, Jun 22
Night
Mon, Jun 22
Mon, Jun 22
Night
Mon, Jun 22
Tue, Jun 23
Night
Mon, Jun 22
Tue, Jun 23
Night
Mon, Jun 22
Tue, Jun 23
Night
Mon, Jun 22
Tue, Jun 23
Night
Mon, Jun 22
Tue, Jun 23
Night
Mon, Jun 22
Tue, Jun 23
Night
Meeting planner

Best time to meet between London & Hanoi

Working hours are 9am–6pm in each city. The bright band is where they overlap — when both sides are at their desks.

London BST
Hanoi ICT
Both in business hours Business hours (9–18) Morning / evening Night Now
Best time for a call or meeting: between 9:00 AM and 12:00 PM in London, which is 3:00 PM–6:00 PM in Hanoi — both sides are inside normal business hours (9:00 AM – 6:00 PM).
Good to know

Daylight saving shifts this gap by up to 1 hour

The difference between London and Hanoi swings between 6 and 7 hours across the year as each side starts or ends daylight saving. Clocks in London move back 1 hour to GMT (UTC±0) on Sunday, October 25, 2026. Hanoi does not observe daylight saving time. This page always shows the live, DST-aware difference.

Built for humans and machines

One source of truth — for you and your AI

This page exposes the same answer as structured data, so when you ask an assistant "what's 9am London time in Hanoi?", it can cite the exact, DST-aware result — not a stale blog post.

  • Schema.org JSON-LD on every converter page
  • A machine-readable facts island with IANA zones and every possible offset
  • Live times in <time datetime> elements with explicit UTC offsets
JSON #timezone-pair-data · embedded in this page
{
  "pair": "London → Hanoi",
  "url": "https://worldclock.pro/en/convert/london-to-hanoi",
  "from": {
    "name": "London",
    "type": "city",
    "abbreviation": "GMT",
    "daylightAbbreviation": "BST",
    "iana": "Europe/London",
    "standardUtcOffset": "+00:00",
    "daylightUtcOffset": "+01:00",
    "referenceCity": "London"
  },
  "to": {
    "name": "Hanoi",
    "type": "city",
    "abbreviation": "ICT",
    "daylightAbbreviation": null,
    "iana": "Asia/Bangkok",
    "standardUtcOffset": "+07:00",
    "daylightUtcOffset": null,
    "referenceCity": "Hanoi"
  },
  "currentDifferenceMinutes": 360,
  "possibleDifferencesMinutes": [
    360,
    420
  ],
  "note": "Between the regions that use these zones the difference is 6 and 7 hours across the year, depending on daylight saving on each side. The clocks on this page show the named zones themselves, which are fixed."
}

Frequently asked questions

What is the time difference between London and Hanoi?

London is currently 6 hours behind Hanoi. London is on BST (UTC+1) and Hanoi is on ICT (UTC+7). The difference can change when either side starts or ends daylight saving time.

Is Hanoi ahead of or behind London?

Hanoi is currently 6 hours ahead of London.

When it is 9:00 AM in London, what time is it in Hanoi?

When it is 9:00 AM on a Monday in London, it is 3:00 PM in Hanoi.

Do London and Hanoi observe daylight saving time?

Clocks in London move back 1 hour to GMT (UTC±0) on Sunday, October 25, 2026. Hanoi does not observe daylight saving time.

How do I convert London time to Hanoi time?

Add 6 hours to any time in London to get the time in Hanoi. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.

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