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IST to SGT Time Converter

Use this IST to SGT time converter to compare India and Singapore time instantly. SGT is 2 hours and 30 minutes ahead of IST, so 9:00 AM IST becomes 11:30 AM SGT and 5:00 PM IST becomes 7:30 PM SGT. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.

IST India Standard Time
...
SGT Singapore Time
...
Select a time to convert

IST to SGT Quick Facts

Use this IST to SGT converter to compare India and Singapore time, check the 2 hours and 30 minutes gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 9:00 AM IST / 11:30 AM SGT.

Time Difference
Singapore Time is 2 hours and 30 minutes ahead of India Standard Time
Useful when deadlines, handoffs, or calls cross workday boundaries.
Best Call Window
Best overlap starts around 9:00 AM IST and 11:30 AM SGT.
Common Use Cases
Useful for remote teams, customer support windows, travel planning, webinars, and same-day deadline handoffs.

How to Convert IST to SGT

Converting between India Standard Time and Singapore Time means accounting for a 2 hours and 30 minutes gap — here's how to do it in under 10 seconds with no sign-up.

Enter Your IST Time

Pick the date and time in India Standard Time (UTC +5:30) that you want to convert. Hit "Now" to load the current IST time instantly, or use "+1h" to step forward and compare.

Read the SGT Result

The equivalent Singapore Time (UTC +8) time appears immediately. Since SGT is 2 hours and 30 minutes ahead of IST, most daytime conversions stay on the same calendar day.

Copy or Fine-Tune

Click "Copy Time" to grab the SGT result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — useful when Daylight Saving Time changes the gap.

Why Choose Our IST to SGT Converter

Align IST–SGT Meetings Instantly

When someone in India suggests 9:00 AM IST, that's 11:30 AM SGT. This converter shows the overlap so both sides agree on one slot — no back-and-forth.

Spot Date-Line Shifts at a Glance

Late-night IST times can land on a different date in SGT because of the 2 hours and 30 minutes offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.

Handles DST Transitions Automatically

The half-hour offset between IST (UTC +5:30) and SGT (UTC +8) already makes mental math tricky — add Daylight Saving Time and the gap can shift further. This converter uses live UTC offsets, so you're always accurate.

Never Miss a IST-Timed Event

Product launches, sports matches, and webinars are often announced in IST. Convert the event time to SGT so you know exactly when to tune in — with a 2 hours and 30 minutes difference, a morning event in India falls during work hours in Singapore.

IST to SGT Time Conversion Chart

Quick-reference conversion table covering every hour of the day at a glance.

Complete 24-Hour Conversion

India Standard Time to Singapore Time full day schedule

12:00 AM
IST
2:30 AM
SGT
1:00 AM
IST
3:30 AM
SGT
2:00 AM
IST
4:30 AM
SGT
3:00 AM
IST
5:30 AM
SGT
4:00 AM
IST
6:30 AM
SGT
5:00 AM
IST
7:30 AM
SGT
6:00 AM
IST
8:30 AM
SGT
7:00 AM
IST
9:30 AM
SGT
8:00 AM
IST
10:30 AM
SGT
9:00 AM
IST
11:30 AM
SGT
10:00 AM
IST
12:30 PM
SGT
11:00 AM
IST
1:30 PM
SGT
12:00 PM
IST
2:30 PM
SGT
1:00 PM
IST
3:30 PM
SGT
2:00 PM
IST
4:30 PM
SGT
3:00 PM
IST
5:30 PM
SGT
4:00 PM
IST
6:30 PM
SGT
5:00 PM
IST
7:30 PM
SGT
6:00 PM
IST
8:30 PM
SGT
7:00 PM
IST
9:30 PM
SGT
8:00 PM
IST
10:30 PM
SGT
9:00 PM
IST
11:30 PM
SGT
10:00 PM
IST
12:30 AM
SGT
(next day)
11:00 PM
IST
1:30 AM
SGT
(next day)
Reviewed by iFormat Time Tools Team Last updated

Timezone offsets and DST rules verified against the IANA Time Zone Database. Conversion math and business-hour overlap windows double-checked against real-world scheduling scenarios.

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IST to SGT FAQ

Quick answers about daylight saving time, date changes, business-hour overlap, and the most common scheduling questions between India Standard Time and Singapore Time.

What is the time difference between IST and SGT?

SGT is 2 hours 30 minutes ahead of IST. IST is UTC +5:30 and SGT is UTC +8:00 relative to UTC. Neither IST nor SGT observes daylight saving time, so the 2 hours 30 minutes gap stays constant all year. That makes scheduling between them predictable.

When can IST and SGT have business-hour overlap?

Aim for 09:00–14:00 IST, which is 11:00–16:00 SGT. Both sides stay inside standard business hours.

Does IST or SGT observe daylight saving time?

Neither IST nor SGT observes daylight saving time, so the 2 hours 30 minutes gap stays constant all year. That makes scheduling between them predictable.

How do I quickly convert IST to SGT?

To convert IST to SGT, add 2 hours 30 minutes to the IST time. Example: if it's 10:00 AM IST, it's 12:00 SGT that day. The live converter at the top of this page handles DST automatically.

Why convert SGT to IST?

Singapore-India is one of Asia's tightest business corridors — shared trading hubs, common time zone for ASEAN HQs serving Indian clients. The 2.5-hour gap is easy to work with.

What's the overlap?

SGT 12:00 PM-6:00 PM = IST 9:30 AM-3:30 PM. India morning to mid-afternoon overlaps with Singapore afternoon. Half the workday on both sides.

Do either observe DST?

No. Singapore (SGT, UTC+8) and India (IST, UTC+5:30) both stay constant year-round. The 2:30-hour gap is identical every day of the year.