GST to IST

Conversion table

Common times in GST and their equivalents in IST:

Table computed using a fixed reference date to keep output stable. Use the full converter for any date and time.

Common meeting times

Quick translations for typical business hours in Gulf Standard Time:

• 9:00 AM GST→10:30 AM IST
• 12:00 PM GST→1:30 PM IST
• 3:00 PM GST→4:30 PM IST
• 5:00 PM GST→6:30 PM IST

Best time to schedule a call

The ideal window where both GST and IST are inside business hours (08:00–18:00) is 8:00 AM–4:30 PM GST, which is 9:30 AM–6:00 PM IST.

Sample calendar invite

Copy-paste this into your calendar event so attendees see both zones spelled out.

Subject: Sync meeting
Time: 10:00 AM GST (Gulf Standard Time) = 11:30 AM IST (India Standard Time)
Date: Thursday, 15 January 2026
Notes: Gulf Standard Time ↔ India Standard Time conversion handled with DST applied automatically.

About Gulf Standard Time and India Standard Time

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Frequently asked questions

What time is it in India Standard Time when it's noon in Gulf Standard Time?

When it's 12:00 PM GST, it's 1:30 PM IST.

What's the best time to schedule a call between GST and IST?

Business-hour overlap (08:00–18:00 in both zones) lands at 8:00 AM–4:30 PM GST, which is 9:30 AM–6:00 PM IST. Schedule inside that window for both sides to be in their working day.

Does the time difference between GST and IST change during the year?

No — neither zone observes DST in a way that changes this pair, so the offset is stable year-round.

Does this converter handle daylight saving time?

Yes. All calculations use the IANA time zone database (via Luxon), so DST transitions for both Gulf Standard Time and India Standard Time are applied automatically.