IST to UTC Converter

Category: Time Zone Converters

- June 30, 2025

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Indian Standard Time (IST)

UTC+5:30 • Mumbai, Delhi, Bangalore, Kolkata

Conversion Settings

Configure your timezone conversion preferences

Auto Convert

Daylight Saving Aware

Show UTC Offset

Show Seconds

Coordinated Universal Time (UTC)

UTC+0:00 • Greenwich Mean Time, Zulu Time

--:--:--

Select a time to convert

Time Difference: --

UTC Offset (IST): +05:30

UTC Offset (UTC): +00:00

DST Status: --

IST Time: --

UTC Time: --

Time Format:

Current IST: --:--:--

Current UTC: --:--:--

🇮🇳 IST never observes daylight saving time and is always UTC+5:30. UTC is the international time standard and never changes.

IST to UTC Conversion Guide

What is IST to UTC Conversion?

IST to UTC conversion helps you translate time between Indian Standard Time and Coordinated Universal Time. IST is always UTC+5:30 and never changes for daylight saving time. UTC is the international time standard at UTC+0:00 and also never changes. The time difference between these zones is consistently 5 hours and 30 minutes, with IST being ahead.

Time Zone Information

Indian Standard Time (IST): Used throughout India including Mumbai, Delhi, Bangalore, Kolkata, and Chennai. Always UTC+5:30 with no daylight saving time adjustments ever implemented. India uses only one time zone across the entire country.

Coordinated Universal Time (UTC): The international time standard used worldwide as the basis for civil time. Always UTC+0:00 with no variations. Also known as Greenwich Mean Time (GMT) or Zulu Time in military/aviation contexts.

Time Difference: IST is consistently 5 hours and 30 minutes ahead of UTC year-round. This makes IST to UTC conversion extremely predictable and stable.

Daylight Saving Time Impact

India (IST): Never observes daylight saving time - IST remains UTC+5:30 throughout the year

UTC: Is the base time standard and never changes - always UTC+0:00

Consistent Difference: The 5 hours and 30 minutes time difference never changes, making this one of the most stable timezone conversions worldwide

Common Conversion Examples

Business Hours

IST 9:00 AM → UTC 3:30 AM

IST 5:00 PM → UTC 11:30 AM

IST business hours align with UTC morning hours

International Meetings

Best IST Time: 2:00 PM - 6:00 PM

Converts to UTC: 8:30 AM - 12:30 PM

Good for global business coordination

Server Timestamps

IST Server Time: 11:30 PM

UTC Logging: 6:00 PM (same day)

Consistent for database timestamps

Global Events

IST Midnight: 6:30 PM UTC (previous day)

IST Noon: 6:30 AM UTC

Always subtract 5:30 from IST

Conversion Tips & Best Practices

• To convert IST to UTC, subtract 5 hours and 30 minutes from IST time

• To convert UTC to IST, add 5 hours and 30 minutes to UTC time

• India uses only one time zone despite spanning a large geographic area

• IST is one of the few major time zones with a 30-minute offset from UTC

• UTC is used as the reference time for international coordination and computing systems

• Neither IST nor UTC ever observe daylight saving time, making conversions extremely reliable

IST to UTC Time Converter

Whether you're working across continents or just keeping track of team schedules, converting time between Indian Standard Time (IST) and Coordinated Universal Time (UTC) is a common need. This calculator takes the guesswork out of it. Here's a quick reference table of countries in each zone:

Countries Using IST (UTC+5:30)	Countries Using UTC (UTC+0:00)
India Sri Lanka	Burkina Faso Côte d'Ivoire Faroe Islands Gambia Ghana Greenland (some parts) Guinea Guinea-Bissau Iceland Ireland (winter) Liberia Mali Mauritania Portugal (mainland & Madeira in winter) Saint Helena Sao Tome and Principe Sierra Leone Togo United Kingdom (winter)

Why this converter earns its spot on your taskbar

This tool does exactly one thing and does it well. It lets you convert times between IST and UTC without fiddling with clocks or looking up time zone charts. Perfect for planning meetings, checking logs, or just keeping everyone on the same page when you're working across borders.

How to use it without overthinking

Pick your time

Start by entering the date and time on the left side. It defaults to IST, but you can swap it with one click if you're starting from UTC instead.

Tap Convert

Press the “Convert Time” button and you'll instantly see the converted time on the other side. The result updates based on your input format and preferences.

Live local clocks

At the bottom, the tool shows current IST and UTC time updating live. This helps you double-check real-time differences on the fly.

Small features that make a big difference

Auto Convert: If you check this box, the tool updates your result as soon as you type or adjust the time. No need to press a button.
Show Seconds: Toggle this to show or hide seconds in your conversion output.
Show UTC Offset: Adds clear UTC offsets to your result. Helpful when syncing systems or code.
12/24 Hour Toggle: Click to switch between familiar 12-hour format and compact 24-hour display.
“Now” Button: Instantly loads the current time for conversion.
“Swap” Button: Flips the input and output zones, turning IST to UTC into UTC to IST.
Reset: Resets everything back to IST and today's time. Good for a clean start.

A real-world use case

Let’s say you’re scheduling a remote team sync between your office in Colombo, Sri Lanka (which uses IST), and a client team based in Dublin, Ireland (which follows UTC during winter). You plug in 3:00 PM IST, hit convert, and instantly know it’s 9:30 AM for them. No miscommunication, no missed meetings. Just straight answers.

What to know before you convert

Neither IST nor UTC observes daylight saving time. That means no seasonal surprises, ever.
IST is always UTC+5:30. UTC is always UTC+0:00. The gap never changes.
The Daylight Saving checkbox is there, but disabled for good reason. These zones don’t use it.
The time difference is fixed at 5 hours and 30 minutes. Easy to remember, easier to rely on.

Put time back on your side

This converter is built to keep things simple. Whether you're syncing up with teammates, logging events, or planning a call from India to any UTC-based country, it saves you time by not wasting it. One clear screen, one clear job. Done.