IST to GMT Converter

Category: Time Zone Converters

- July 01, 2025

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India Standard Time (IST)

UTC+5:30 • Mumbai, Delhi, Bangalore

Conversion Settings

Configure your timezone conversion preferences

Auto Convert

Show UTC Offset

Show Seconds

Greenwich Mean Time (GMT)

UTC+0 • London, Dublin, Reykjavik

--:--:--

Select a time to convert

Time Difference: --

UTC Offset (IST): +05:30

UTC Offset (GMT): +00:00

Standard Time: Always Active

IST Time: --

GMT Time: --

Time Format:

Current IST: --:--:--

Current GMT: --:--:--

🌍 IST is always UTC+5:30 and GMT is always UTC+0. Neither observes daylight saving time adjustments.

IST to GMT Conversion Guide

What is IST to GMT Conversion?

IST to GMT conversion helps you translate time between India Standard Time and Greenwich Mean Time zones. IST is always UTC+5:30 and GMT is always UTC+0. Both are standard time zones that never observe daylight saving time adjustments, making conversions straightforward and consistent year-round.

Time Zone Information

India Standard Time (IST): Used throughout India including Mumbai, Delhi, Bangalore, and Chennai. Always UTC+5:30 with no seasonal adjustments.

Greenwich Mean Time (GMT): The standard time at the Royal Observatory in Greenwich, London. Always UTC+0 and serves as the global time reference.

Time Difference: IST is always exactly 5 hours and 30 minutes ahead of GMT throughout the year.

Consistent Time Relationship

No Seasonal Changes: Unlike many time zones, both IST and GMT remain constant year-round

Fixed Offset: The 5.5-hour difference between IST and GMT never changes

Reliable Scheduling: No need to worry about daylight saving adjustments for meetings or events

Common Conversion Examples

Morning Hours

IST 6:00 AM → GMT 12:30 AM

IST 9:00 AM → GMT 3:30 AM

Early morning IST corresponds to late night/early morning GMT

Business Hours

IST 2:00 PM → GMT 8:30 AM

IST 6:00 PM → GMT 12:30 PM

IST afternoon hours align with GMT morning hours

Evening Hours

IST 8:00 PM → GMT 2:30 PM

IST 11:00 PM → GMT 5:30 PM

IST evening corresponds to GMT afternoon

Midnight Transitions

IST 12:00 AM → GMT 6:30 PM (previous day)

GMT 12:00 AM → IST 5:30 AM

Date changes occur at different times in each zone

Conversion Tips & Best Practices

• IST is always 5 hours and 30 minutes ahead of GMT - no exceptions

• Neither time zone observes daylight saving, making scheduling predictable

• Best meeting times: IST 2:00-4:00 PM corresponds to GMT 8:30-10:30 AM

• India uses a unique half-hour offset, making it UTC+5:30 instead of UTC+6

• GMT serves as the global time reference and is equivalent to UTC

• Use 24-hour format to avoid AM/PM confusion in international scheduling

IST to GMT Time Converter

Coordinating between India and regions that run on Greenwich Mean Time? This converter takes the math out of it. Whether you're arranging global meetings, working across teams, or trying to make an international livestream, this tool helps keep IST and GMT in sync with zero confusion.

India Standard Time (IST)	Greenwich Mean Time (GMT)
🇮🇳 India 🇱🇰 Sri Lanka	🇬🇧 United Kingdom 🇮🇪 Ireland 🇮🇸 Iceland 🇬🇲 The Gambia 🇬🇳 Guinea 🇬🇼 Guinea-Bissau 🇲🇱 Mali 🇲🇷 Mauritania 🇸🇳 Senegal 🇸🇱 Sierra Leone 🇹🇬 Togo 🇧🇫 Burkina Faso 🇨🇻 Cabo Verde

Why This Converter Makes Time Zones Less of a Chore

This tool is focused on converting between two very stable time zones: IST and GMT. Neither observes daylight saving time, and both stick to their respective offsets all year round. That consistency means you won’t be surprised by sudden shifts in your calendar. The converter gives you instant, accurate translations in both directions—India to GMT or the other way around.

How to Use It Without Getting Lost in the Settings

Step 1: Choose Your Time and Date

Pick a time and date using the selectors in the input section. The default setting assumes you’re starting from IST, but you can switch to GMT using the dropdown menu.

Step 2: Pick the Starting Timezone

Toggle between IST and GMT in the dropdown. When you switch, the display labels adjust automatically to reflect your choice.

Step 3: Hit Convert (or Let It Convert Automatically)

If you keep "Auto Convert" on, the tool updates the result as soon as you change anything. Otherwise, use the “Convert Time” button when you’re ready.

Step 4: Flip the Direction If You Need To

The “Swap” button reverses the input and output zones without clearing what you entered. It’s handy if you're working back and forth between time zones.

Step 5: Click ‘Now’ for the Current Time

Pressing “Now” fills in the exact current time of your selected input zone so you can see what it is on the other side.

Step 6: Reset to Default

“Reset” clears everything and brings you back to IST input mode with the current date and time filled in automatically.

Settings That Let You Fine-Tune Your View

Auto Convert

When this is checked, the tool runs the conversion right after you change a date, time, or timezone. No need to press anything else.

Show UTC Offset

This option adds the numerical offset next to each timezone. For example, IST becomes +05:30 and GMT is shown as +00:00. It’s helpful for cross-referencing with other tools or formats.

Show Seconds

If your schedule demands precision, enable this to show seconds in both the live clocks and the converted times.

12-Hour vs 24-Hour Format

The format toggle switches between standard AM/PM time and 24-hour time. Choose whichever style you prefer for readability.

Where This Tool Comes in Handy

Imagine you’re running a project from Bangalore (🇮🇳) and working with a partner company in Dublin (🇮🇪). You’ve got a daily status call at 3:00 PM IST. With this tool, you can quickly see that it lines up with 9:30 AM GMT. No spreadsheets. No uncertainty. Just a clear answer.

Skip the Guesswork, Stick to the Clock

When you’re working between India and regions on GMT, this converter lets you stay aligned without second-guessing your math. No seasonal time changes to track. No confusing shifts. Just set, convert, and get back to what actually needs your attention.

IST to GMT Converter

India Standard Time (IST)

Conversion Settings

Greenwich Mean Time (GMT)

IST to GMT Conversion Guide

What is IST to GMT Conversion?

Time Zone Information

Consistent Time Relationship

Common Conversion Examples

Conversion Tips & Best Practices

IST to GMT Time Converter

Why This Converter Makes Time Zones Less of a Chore

How to Use It Without Getting Lost in the Settings

Step 1: Choose Your Time and Date

Step 2: Pick the Starting Timezone

Step 3: Hit Convert (or Let It Convert Automatically)

Step 4: Flip the Direction If You Need To

Step 5: Click ‘Now’ for the Current Time

Step 6: Reset to Default

Settings That Let You Fine-Tune Your View

Auto Convert

Show UTC Offset

Show Seconds

12-Hour vs 24-Hour Format

Where This Tool Comes in Handy

Skip the Guesswork, Stick to the Clock

Time Zone Converters:

Time now in these cities:

Time now in countries:

Time now in time zones: