Current Time in Kolkata, India
IST (UTC+5:30) in Kolkata with a live clock, no daylight saving time, and quick time comparisons for planning across cities.
Kolkata Time Details
See the current local time in Kolkata, India, using Asia/Kolkata. The city follows IST at UTC+5:30 and does not observe DST.
Compare and Schedule
Compare Kolkata time with other cities in an hour-by-hour grid and plan meetings across time zones. Export events to ICS, Google Calendar, or Gmail.
DST Accuracy and History
Kolkata has no daylight saving time, so the offset stays fixed year-round. Time data is tracked from the IANA timezone database for accurate historical and future handling.
How to Check Current Time in Kolkata, India
Open the Kolkata time converter page: Go to https://www.xconvert.com/time-converter/india/kolkata to see Kolkata, India already loaded in the comparison grid. This is useful when you need to coordinate a client call in eastern India, confirm a delivery window for West Bengal, or line up a remote handoff with a Kolkata-based operations team.
Add the cities you need to compare: Click + Add City and search for places such as New York, London, Dubai, or Tokyo depending on who you are scheduling with. Kolkata, India is a major business center for finance, IT services, shipping, and back-office operations, so comparing it with US, UK, Middle East, or Asia-Pacific teams is a common planning step.
Select a meeting window on the grid: Drag across the 24-hour timeline to highlight a time range, then use the purple handles to widen or narrow it until the overlap works for everyone. For example, if you drag a morning slot in Kolkata, India, you can immediately see whether it lands in workable business hours for London or whether it becomes late night in New York.
Export the schedule once the range is set: Use ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link to send the time to attendees in a format they can use right away. This is especially helpful for distributed teams, because a shared calendar file prevents confusion when someone in Kolkata, India is planning across multiple time zones.
About Kolkata Time Zone
Kolkata, India uses Asia/Kolkata, which is the standard IANA time zone identifier for the city. Its offset is UTC+5:30 all year, so the local clock stays fixed throughout the year without seasonal changes. That makes scheduling simpler for teams that work with Kolkata, India because the local time never shifts between winter and summer.
Kolkata, India does not observe daylight saving time, so there are no clock changes in March or October like you would see in many US or European cities. This consistency matters for international coordination in industries such as software development, customer support, export services, and financial operations, where recurring meetings need a stable reference point. For neighboring regions, Kolkata sits in a time band that is close to South Asia’s standard business rhythm, while still being several hours ahead of Europe and the Americas.
The city is in West Bengal, India, on the eastern side of the country near the Bay of Bengal. That geographic position makes Kolkata, India a practical hub for trade, logistics, education, and services that connect eastern India with Southeast Asia and the rest of the country. When comparing Kolkata, India with other major business centers, the biggest planning challenge is usually not local clock changes but the large gap with North America and the smaller, easier overlap with Dubai and parts of Asia.
Kolkata City Details
Kolkata, India has a population of 4,631,392, making it one of the largest urban centers in India. The city’s coordinates are 22.56263° N, 88.36304° E, placing it in eastern India with strong regional links to transport, commerce, and government activity.
The local currency is INR, and the country dialing code is +91. These details matter when you are arranging business travel, confirming invoices, or setting up international calls to Kolkata, India, especially for teams handling procurement, outsourcing, or customer support across borders.
Time Differences from Kolkata
Kolkata, India is 10 hours 30 minutes ahead of New York in January: when it is 9:00 AM in Kolkata, it is 10:30 PM the previous day in New York. In July, Kolkata, India is 9 hours 30 minutes ahead of New York: when it is 9:00 AM in Kolkata, it is 11:30 PM the previous day in New York. This large gap is why early morning Kolkata meetings often land late at night in the US, which is important for software teams, support escalations, and investor calls.
Kolkata, India is 5 hours 30 minutes ahead of London in January: when it is 9:00 AM in Kolkata, it is 3:30 AM in London. In July, Kolkata, India is 4 hours 30 minutes ahead of London: when it is 9:00 AM in Kolkata, it is 4:30 AM in London. For UK-based business partners, that usually means the most practical overlap is late afternoon in Kolkata, India rather than the morning.
Kolkata, India is 3 hours 30 minutes behind Tokyo in January: when it is 9:00 AM in Kolkata, it is 12:30 PM in Tokyo. In July, Kolkata, India is also 3 hours 30 minutes behind Tokyo: when it is 9:00 AM in Kolkata, it is 12:30 PM in Tokyo. This steady relationship makes Kolkata-Tokyo coordination simpler for technology, manufacturing, and trading teams working across Asia.
Kolkata, India is 5 hours 30 minutes behind Sydney in January: when it is 9:00 AM in Kolkata, it is 2:30 PM in Sydney. In July, Kolkata, India is 4 hours 30 minutes behind Sydney: when it is 9:00 AM in Kolkata, it is 1:30 PM in Sydney. That overlap is often useful for APAC project calls, especially when teams need to connect India with Australia during normal office hours.
Kolkata, India is 1 hour 30 minutes ahead of Dubai in January: when it is 9:00 AM in Kolkata, it is 7:30 AM in Dubai. In July, Kolkata, India is also 1 hour 30 minutes ahead of Dubai: when it is 9:00 AM in Kolkata, it is 7:30 AM in Dubai. This relatively small gap makes Dubai one of the easiest international cities to coordinate with Kolkata, India for trade, logistics, and regional business operations.
Frequently Asked Questions
What time zone is Kolkata in?
Kolkata, India is in Asia/Kolkata, which is the standard IANA time zone for the city. It uses UTC+5:30 all year, so the local time stays consistent without seasonal clock changes.
Does Kolkata observe daylight saving time?
No, Kolkata, India does not observe daylight saving time. The city stays on UTC+5:30 all year, which means meetings, flights, and recurring calendar events do not shift seasonally for local time.
What is the time difference between Kolkata and New York?
The time difference changes by season because New York uses daylight saving time. In January, Kolkata, India is 10 hours 30 minutes ahead of New York, and in July it is 9 hours 30 minutes ahead. If it is 9:00 AM in Kolkata, that is 10:30 PM the previous day in New York in January and 11:30 PM the previous day in New York in July.
What is the best time to call Kolkata from the US?
For the US, the best call window is usually late evening in New York or early morning in Kolkata, depending on which side is more flexible. Since Kolkata, India is 10 hours 30 minutes ahead of New York in January and 9 hours 30 minutes ahead in July, a morning meeting in Kolkata often lands very late in the US, so many teams choose a Kolkata afternoon slot to reduce the burden on American participants.
What is the best time to call Kolkata from the UK?
The UK and Kolkata, India have a smaller gap than the US, but the timing still depends on the season. In January, Kolkata is 5 hours 30 minutes ahead of London, and in July it is 4 hours 30 minutes ahead, so a late afternoon call in Kolkata is often the most practical way to reach London during business hours.
What is the UTC offset for Kolkata?
Kolkata, India uses UTC+5:30 all year. That fixed offset is one reason the city is easy to schedule with for recurring meetings, especially for teams in finance, IT services, and customer support that need stable daily routines.
What currency does Kolkata use?
Kolkata, India uses the Indian Rupee (INR). That is the standard currency for hotels, taxis, restaurants, business invoices, and domestic travel across the city and the rest of India.