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Time zone converter

GMT to IST

India Standard Time is 5 hours 30 min ahead of UK time in January, when the clocks read GMT (UTC) and IST (UTC+5:30), and 4 hours 30 min ahead in July, when they read BST (UTC+1) and IST (UTC+5:30).

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    1. 1Type a place, a zone or a time
    2. 2Drag the hours: every clock moves together
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    GMT to IST, hour by hour

    Each hour of the day in UK time, and the time in India Standard Time at that moment.

    GMT / BSTIST, JanuaryIST, July
    12:00 am5:30 am4:30 am
    1:00 am6:30 am5:30 am
    2:00 am7:30 am6:30 am
    3:00 am8:30 am7:30 am
    4:00 am9:30 am8:30 am
    5:00 am10:30 am9:30 am
    6:00 am11:30 am10:30 am
    7:00 am12:30 pm11:30 am
    8:00 am1:30 pm12:30 pm
    9:00 am2:30 pm1:30 pm
    10:00 am3:30 pm2:30 pm
    11:00 am4:30 pm3:30 pm
    12:00 pm5:30 pm4:30 pm
    1:00 pm6:30 pm5:30 pm
    2:00 pm7:30 pm6:30 pm
    3:00 pm8:30 pm7:30 pm
    4:00 pm9:30 pm8:30 pm
    5:00 pm10:30 pm9:30 pm
    6:00 pm11:30 pm10:30 pm
    7:00 pm12:30 am (next day)11:30 pm
    8:00 pm1:30 am (next day)12:30 am (next day)
    9:00 pm2:30 am (next day)1:30 am (next day)
    10:00 pm3:30 am (next day)2:30 am (next day)
    11:00 pm4:30 am (next day)3:30 am (next day)

    When the gap changes in 2026 and 2027

    FromToDifference
    Thu 1 Jan 2026Sat 28 Mar 2026India Standard Time is 5 hours 30 min ahead of UK time
    Sun 29 Mar 2026Sat 24 Oct 2026India Standard Time is 4 hours 30 min ahead of UK time
    Sun 25 Oct 2026Sat 27 Mar 2027India Standard Time is 5 hours 30 min ahead of UK time
    Sun 28 Mar 2027Sat 30 Oct 2027India Standard Time is 4 hours 30 min ahead of UK time
    Sun 31 Oct 2027and afterIndia Standard Time is 5 hours 30 min ahead of UK time

    Working hours overlap

    When 9 am – 5 pm on both sides meet, in each side's own time.

    JanuaryJuly
    UK time9:00 am – 11:30 am (2 hours 30 min)9:00 am – 12:30 pm (3 hours 30 min)
    India Standard Time2:30 pm – 5:00 pm (2 hours 30 min)1:30 pm – 5:00 pm (3 hours 30 min)

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