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Time zone converter – IST to EST, PST, GMT and more

Pick a date and time in one zone and see it in another, with daylight saving handled. Built for India-to-US, UK, Europe and Gulf meetings.

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  • FastNo upload or download wait – results appear in seconds.
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Time zone converter

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Type a city, such as Kolkata or New York

12 Nov 2026, 10:29 in Asia/Kolkata

12 Nov 2026, 04:59

Europe/London · 2026-11-12T04:59:00Z UTC

How to use the time zone converter

  1. Enter the date and time as it reads in the first zone.

  2. Choose the “From” and “To” zones. Type a city such as Kolkata, London or New York to filter.

  3. Read the converted time and the UTC time.

  • No uploadYour files are processed on your device and never sent anywhere.
  • FastNo upload or download wait – results appear in seconds.
  • Free, no signupNo account, no watermark and no daily limit.

Convert time between India and any time zone

Enter a date and time, choose the zone it is in and the zone you want, and read the matching time. Daylight saving in the US, UK and Europe is applied automatically for that date, so a call booked for March or November still lines up. India is Asia/Kolkata (IST, UTC + 5:30), with no daylight saving.

IST quick reference

Zone Winter (Nov–Mar) Summer (Mar–Nov)
US Eastern (New York) IST is 10:30 ahead IST is 9:30 ahead
US Pacific (California) IST is 13:30 ahead IST is 12:30 ahead
UK (London) IST is 5:30 ahead IST is 4:30 ahead
Central Europe (Berlin, Paris) IST is 4:30 ahead IST is 3:30 ahead
UAE (Dubai) IST is 1:30 ahead IST is 1:30 ahead
Singapore IST is 2:30 behind IST is 2:30 behind

US, UK and EU clocks change on different dates in March and October/November. For those weeks, use the converter rather than the table.

Good meeting times, India ↔ US East Coast

  • 7:30–9:30 pm IST = 9:00–11:00 am New York (winter).
  • 6:30–8:30 pm IST = 9:00–11:00 am New York (summer).

Tips

  • Filter the zone list by city name: Kolkata, Dubai, London, New York, Chicago, Los Angeles, Sydney.
  • Watch the date as well as the time. Late evening in India is often the same morning in the US.
  • Paste the UTC line into calendar invites to avoid confusion.

Count the days to a deadline with the date difference calculator.

Frequently asked questions

How far ahead is IST from EST?

IST is 10 hours 30 minutes ahead of New York in winter (EST) and 9 hours 30 minutes ahead in summer (EDT). 9:00 pm IST is 10:30 am EST the same day.

What is IST to PST?

IST is 13 hours 30 minutes ahead of PST (winter) and 12 hours 30 minutes ahead of PDT (summer). 9:00 am in California is 10:30 pm IST in winter.

What is IST to GMT or UK time?

IST is GMT + 5:30. The UK is on GMT in winter (IST is 5:30 ahead) and BST in summer (IST is 4:30 ahead).

Does India have daylight saving time?

No. India stays on IST (UTC + 5:30) all year. The gap to the US, UK and Europe changes when they switch clocks, and this converter handles that.

Why does it say Asia/Kolkata instead of IST?

Asia/Kolkata is the standard zone name browsers use for India. It is the same as IST.

Is anything sent to a server?

No. The conversion uses your browser’s built-in time zone data.

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