London to Bangalore Time Converter
Live overlap scrubber for scheduling meetings between London, United Kingdom and Bangalore, India.
London vs Bangalore Overlap
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London
GMT+1Thu, Sep 24
•Bangalore
GMT+5:30Thu, Sep 24
•The Time Gap Between London and Bangalore
London runs at UTC+0 in January and UTC+1 in July, shifting its clocks for Daylight Saving Time.
Bangalore runs at a fixed UTC+5:30 year-round, with no Daylight Saving Time.
Because only London observes Daylight Saving Time, the gap changes every time its clocks do: it runs 4.5 hours for roughly 7 months of the year and 5.5 hours for the other 5. Any recurring meeting between these two needs to be checked twice a year, not set once and forgotten.
Realistic Overlap for a Standard 9-to-5
Assuming a standard 9am–5pm workday on both ends, London and Bangalore share about 2.5–3.5 hours of true overlap. That's enough room for a regular standing meeting without either side needing to take a call before breakfast or after dinner.
- January: the shared window is 9:00am–11:30am in London = 2:30pm–5:00pm in Bangalore.
- July: the shared window is 9:00am–12:30pm in London = 1:30pm–5:00pm in Bangalore.
2026 Clock Changes for London and Bangalore
These are the dates in 2026 when the gap between the two cities changes. Around each one, check that recurring invites still land where you expect — calendar apps anchor a meeting to its organizer's time zone, so it's the other side's local time that moves.
- Jan 1 — Bangalore is 5.5 hours ahead of London.
- Mar 29 — London springs forward to UTC+1, so Bangalore is now 4.5 hours ahead of London.
- Oct 25 — London falls back to UTC+0, so Bangalore is now 5.5 hours ahead of London.
Hour-by-Hour: London to Bangalore
London's day from 7am to 10pm, with the matching time in Bangalore in January and July. Green is a standard 9-to-5, amber is the early-morning or evening fringe, and grey is when people are usually asleep.
| London | Bangalore (January) | Bangalore (July) |
|---|---|---|
| 7:00am | 12:30pm (work) | 11:30am (work) |
| 8:00am | 1:30pm (work) | 12:30pm (work) |
| 9:00am | 2:30pm (work) | 1:30pm (work) |
| 10:00am | 3:30pm (work) | 2:30pm (work) |
| 11:00am | 4:30pm (work) | 3:30pm (work) |
| 12:00pm | 5:30pm (fringe) | 4:30pm (work) |
| 1:00pm | 6:30pm (fringe) | 5:30pm (fringe) |
| 2:00pm | 7:30pm (fringe) | 6:30pm (fringe) |
| 3:00pm | 8:30pm (fringe) | 7:30pm (fringe) |
| 4:00pm | 9:30pm (asleep) | 8:30pm (fringe) |
| 5:00pm | 10:30pm (asleep) | 9:30pm (asleep) |
| 6:00pm | 11:30pm (asleep) | 10:30pm (asleep) |
| 7:00pm | 12:30am +1 day (asleep) | 11:30pm (asleep) |
| 8:00pm | 1:30am +1 day (asleep) | 12:30am +1 day (asleep) |
| 9:00pm | 2:30am +1 day (asleep) | 1:30am +1 day (asleep) |
| 10:00pm | 3:30am +1 day (asleep) | 2:30am +1 day (asleep) |
GMT to IST: What the Abbreviations Mean
GMT — Greenwich Mean Time (GMT, UTC+0) runs part of the year; the rest of the year the same clocks are on British Summer Time (BST, UTC+1) instead. People casually say "GMT" for both — the scrubber above already resolves whichever one is actually in effect for the date you pick.
IST — India Standard Time (IST) is fixed at UTC+5:30 year-round — it does not observe Daylight Saving Time.
Timezone abbreviations aren't globally unique — several regions reuse the same three or four letters for unrelated zones. The scrubber is anchored to IANA timezone data (Europe/London and Asia/Kolkata) rather than the abbreviation text, so there's no ambiguity in the actual conversion.