Timezone Truth

New York to India

A half-hour offset zone, and why IST is never safe to write as an abbreviation.

2026-06-15 09:00 · America/New_YorkAsia/Kolkata

Mon, 2026-06-15, 09:00 in America/New_York is Mon, 2026-06-15, 18:30 in Asia/Kolkata.

2026-06-15T13:00:00.000Z

From

America/New_York

Mon, 2026-06-15, 09:00

UTC−04:00 · EDT

To

Asia/Kolkata

Mon, 2026-06-15, 18:30

UTC+05:30 · GMT+5:30

What to watch for

  • Note

    Asia/Kolkata does not observe daylight saving

    Asia/Kolkata keeps the same offset all year, so its clocks never change. If the other zone does observe it, the gap between them shifts twice a year even though nothing changes on this side.

Upcoming clock changes

America/New_York

  • 2026-11-01T06:00:14.062Z

    Clocks fall back an hour: the wall clock returns to 01:00, so that hour happens twice.

    UTC−04:00UTC−05:00 (EDTEST)

  • 2027-03-14T07:00:00.000Z

    Clocks jump forward an hour: 01:59 is followed by 03:00, and the times in between never happen.

    UTC−05:00UTC−04:00 (ESTEDT)

Asia/Kolkata

No clock changes — this zone keeps one offset all year.

Convert your own time

Use the form on the home page, or call the API or MCP server. This page is also available as markdown.

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