What is the time difference between IST and SGT?

Singapore Time (SGT) is 2 hours and 30 minutes ahead of India Standard Time (IST). IST uses a UTC offset of UTC+5:30, while SGT uses UTC+8. For example, when it's 9:00 AM in IST, it's 11:30 AM in SGT. This difference remains constant year-round since neither timezone observes daylight saving time. Use the conversion table above to see the exact time for each hour of the day.

How do I convert IST to SGT?

To convert IST to SGT, add 2 hours and 30 minutes to the IST time. For example, 9:00 AM IST is 11:30 AM SGT, and 5:00 PM IST is 7:30 PM SGT. Since neither timezone observes DST, this conversion stays the same all year. You can also use the interactive converter above for quick, accurate results.

What time is it in SGT when it's noon in IST?

When it's 12:00 PM (noon) in IST, it's 2:30 PM in SGT. This is because SGT is 2 hours and 30 minutes ahead of IST. Similarly, when it's 6:00 PM in IST, it's 8:30 PM in SGT. This relationship is constant throughout the year. The color-coded conversion table above shows every hour mapped between both timezones.

How many hours ahead is SGT from IST?

SGT is 2 hours and 30 minutes ahead of IST. This means when it's 9:00 AM in IST, it's 11:30 AM in SGT, and when it's midnight in IST, it's 2:30 AM in SGT. This offset is constant throughout the year since neither timezone uses daylight saving time. The conversion table above provides a complete hour-by-hour mapping.

Is SGT ahead or behind IST?

SGT is ahead of IST by 2 hours and 30 minutes. Clocks in SGT show a later time than IST, meaning the day starts earlier in SGT relative to IST. For example, when it's morning in IST, it's later in the morning in SGT. This difference stays the same year-round.

Does IST observe daylight saving time?

No, India Standard Time does not observe daylight saving time. The UTC offset of UTC+5:30 remains the same year-round, making time conversions from IST more predictable. Countries and regions in this timezone keep their clocks unchanged regardless of the season.

Does SGT observe daylight saving time?

No, Singapore Time does not observe daylight saving time. The UTC offset of UTC+8 remains the same year-round, making time conversions to SGT more predictable. Countries and regions in this timezone keep their clocks unchanged regardless of the season.

What is the best time to call from IST to SGT?

The best time for a call between IST and SGT is during overlapping business hours (9 AM – 5 PM) in both timezones. To reach someone in SGT during their work day, call between 6:30 AM and 2:30 PM your IST time. Avoid calling too early or late, as the 2 hours and 30 minutes difference means your evening could be their late night. Check the color-coded conversion table above — green hours indicate business hours in both zones, making it easy to find the ideal time.

Do IST and SGT ever have the same time?

No, IST and SGT are always 2 hours and 30 minutes apart and never display the same clock time simultaneously. Neither timezone observes DST, so the difference is constant year-round with no seasonal variation. The 2 hours and 30 minutes offset is determined by their fixed positions relative to the Prime Meridian (UTC). You can always rely on this consistent difference when planning across these timezones.

IST to SGT Converter

Convert India Standard Time to Singapore Time. See the hour-by-hour conversion table below.

Timezone Details

India Standard Time

9:15 PM

Friday, April 3, 2026

IST (UTC+05:30)

Singapore Time

11:45 PM

Friday, April 3, 2026

SGT (UTC+08:00)

Difference: +2h 30m

IST DST: No

SGT DST: No

24-Hour Overview

IST — 24-hour overview

12a12a

3a3a

6a6a

9a9a

10a

11a

12p12p

3p3p

6p6p

9p9p

10p

11p

NightMorningBusinessEvening

SGT — 24-hour overview

2a2a

5a5a

8a8a

10a

11a11a

12p

2p2p

5p5p

8p8p

10p

11p11p

12a

NightMorningBusinessEvening

Frequently Asked Questions

Related Conversions

SGT to IST EST to IST IST to EST PST to IST IST to PST GMT to IST IST to GMT IST to JST JST to IST

Cities in These Timezones

IST Cities

Delhi Mumbai Kolkata Bangalore Chennai

SGT Cities

Singapore

More Tools

Compare IST & SGT Plan a Meeting (IST & SGT)See on Map

Learn More

How Time Zones Work Understanding DST Timezone Abbreviations

External Resources

India Standard Time on Wikipedia Singapore Time on Wikipedia IANA Time Zone Database