Current Time in Asia/Calcutta Time Zone
IANA Name: Asia/Calcutta
Standard Offset: UTC +5:30
Daylight Saving: No
Currently Observing DST: No ❌
The Asia/Calcutta time zone at a glance
| Right now | 17:02 on Tuesday |
|---|---|
| UTC offset | UTC+05:30 (5 hours and 30 minutes ahead of UTC) |
| Abbreviation | IST |
| Daylight saving | No - Same time all year |
| Region | Asia |
What time is it in Asia/Calcutta?
The current local time in the Asia/Calcutta zone is 17:02 on Tuesday, 30 June 2026. The clock above updates every second. This zone runs on IST, which is UTC+05:30 - That's 5 hours and 30 minutes ahead of UTC.
Does it change for daylight saving time?
No. Asia/Calcutta keeps the same offset all year. The clocks never move forward or back, so you do not have to worry about daylight saving changes here. New to clock changes? Read our plain-English guide to daylight saving time.
How to convert Asia/Calcutta time
Use the live clock for exact seconds, but for quick planning: 12:00 UTC = 17:30 local time, and 09:00 local time = 03:30 UTC. These examples use today's IST offset, so they automatically reflect whether daylight saving is active now.
Use Asia/Calcutta when software asks for a time zone
Asia/Calcutta is the exact IANA identifier for this rule set. Use it in calendars, code, schedules, and travel planning instead of only writing UTC+05:30, because a plain UTC offset does not describe daylight-saving rules or future legal changes.
Why the UTC+05:30 offset uses 30 minutes
This zone is not aligned to a whole hour. It is 5 hours and 30 minutes from UTC, so conversions need the minute part too. That is why this page shows both the live clock and conversion examples.
Where is Asia/Calcutta time used?
It is the official local time in India.
Best next checks for Asia/Calcutta
For a real-world meeting, compare Asia/Calcutta with a city page or use the time zone converter. For a reminder on your own device, set an online alarm after you confirm the local date and time.
💡 Tip: Setting up a call with someone in India? Remember they are on UTC+05:30. Check the live clock above before you pick a time, then compare nearby city pages for local context.
The Asia/Calcutta time zone - Frequently asked questions
What is the Asia/Calcutta time zone?
Asia/Calcutta is a time zone in the Asia region. It runs on IST, which is UTC+05:30.
What is the UTC offset of Asia/Calcutta?
Asia/Calcutta is UTC+05:30 right now - 5 hours and 30 minutes ahead of UTC. It stays the same all year.
Does Asia/Calcutta use daylight saving time?
No. The clocks stay the same all year, with no daylight saving changes.
Which countries use Asia/Calcutta time?
It is used in India.
How Alarm.now reads Asia/Calcutta
IANA rule set and current offset
Asia/Calcutta is treated as an IANA time-zone identifier, not just a short abbreviation. That means the page can connect the live clock to its UTC offset, standard abbreviation IST, and any daylight-saving rule changes.
Best use cases
Use this page when software, calendars, or travel plans ask for the exact IANA zone. For a place-based view, follow the linked country and city clocks above, or compare zones with the time zone converter.