About the time in Kolkata

Kolkata is a city in India. It uses the Asia/Kolkata time zone, which is currently UTC+5:30 — that is, +5:30 hours from Coordinated Universal Time. Kolkata does not observe daylight saving time, so its UTC offset stays the same all year.

Compared with other major cities right now, Kolkata is 9.5 hours ahead of New York and 4.5 hours ahead of London. The table above updates live, so the differences you see always reflect current daylight saving rules on both sides.

What time zone is Kolkata in?

Kolkata follows the Asia/Kolkata time zone (UTC+5:30). All clocks on this page are driven by the official IANA time zone database, the same source used by operating systems and airlines worldwide.

Does Kolkata observe daylight saving time?

No — Kolkata keeps the same offset all year, which makes scheduling with it straightforward.

Sunrise and sunset in Kolkata

Today's sunrise and sunset above are calculated astronomically for Kolkata's coordinates (22.57°, 88.36°) and shown in local Kolkata time. They shift a little every day through the year.

How is this clock kept accurate?

The time shown is your device clock converted into Kolkata's time zone using your browser's built-in IANA database. If your device clock is correct, the time above is correct — no server round-trips, nothing to install.