Kolkata

Timezone Guide

Kolkata, India runs on UTC+5:30. This time zone stays fixed year-round at UTC+5:30 — daylight saving time is not observed. There is a 9.5-hour difference between Kolkata and New York. Standard working hours don't overlap at all with New York, so meetings need an early or late slot on one side. There is a 4.5-hour difference between Kolkata and London. Standard 9-to-6 working hours overlap for about 4.5 hours a day with London. A good time to connect: 13:30–18:00 in Kolkata lines up with 09:00–13:30 in London. There is a 3.5-hour difference between Kolkata and Tokyo. Standard 9-to-6 working hours overlap for about 5.5 hours a day with Tokyo. A good time to connect: 09:00–14:30 in Kolkata lines up with 12:30–18:00 in Tokyo. This timezone is also shared with cities such as Mumbai, Delhi, Bangalore. Keeping these offsets in mind makes it easier to schedule calls or travel to and from Kolkata.

Practical Info

Kolkata (India) is home to roughly 15.3M people. Today brings about 13.4 hours of daylight: sunrise at 05:00, sunset at 18:24. This time zone stays fixed year-round at UTC+5:30 — daylight saving time is not observed. It sits in the Northern Hemisphere, about 23° north of the equator. Traffic drives on the left.

Flag

India