IST to SGT Converter
Understanding IST and SGT Time Zones
India Standard Time (IST)
India Standard Time is observed in undefined and uses the offset UTC+5.5. Major cities in this time zone include Mumbai, Delhi, Bangalore. This time zone serves a significant global region with important economic and cultural hubs.
Singapore Time (SGT)
Singapore Time operates at UTC+8, covering undefined. Key cities include Singapore, Kuala Lumpur. The 2.5-hour forward offset from IST means that when professionals in Mumbai start their workday at 9:00 AM, it is already 11:30 AM in Singapore.
IST is also commonly referred to as India time, Indian time, Mumbai time, Delhi time. SGT is also known as Singapore time, Malaysia time, KL time. So if you are searching for India time to Singapore time, this is the same conversion as IST to SGT.
Complete IST to SGT Conversion Table
The table below shows every two-hour increment converted from India Standard Time to Singapore Time. Business hours (9 AM – 5 PM) are highlighted for easy scheduling reference.
| IST (India Standard Time) | SGT (Singapore Time) |
|---|---|
| 12:00 AM (00:00) | 2:30 AM (02:30) |
| 2:00 AM (02:00) | 4:30 AM (04:30) |
| 4:00 AM (04:00) | 6:30 AM (06:30) |
| 6:00 AM (06:00) | 8:30 AM (08:30) |
| 8:00 AM (08:00) | 10:30 AM (10:30) |
| 10:00 AM (10:00) | 12:30 PM (12:30) |
| 12:00 PM (12:00) | 2:30 PM (14:30) |
| 2:00 PM (14:00) | 4:30 PM (16:30) |
| 4:00 PM (16:00) | 6:30 PM (18:30) |
| 6:00 PM (18:00) | 8:30 PM (20:30) |
| 8:00 PM (20:00) | 10:30 PM (22:30) |
| 10:00 PM (22:00) | 12:30 AM (00:30) (next day) |
Times shown in 12-hour and 24-hour format. Last updated 2026-03-09.
Scheduling Between IST and SGT
When coordinating deliverables across IST and SGT, set deadlines in the earlier time zone to avoid end-of-day confusion. A "5 PM deadline" should specify which zone to prevent missed deliveries due to the 2.5-hour offset.
The small 2.5-hour gap between IST and SGT means that most of the business day overlaps, making real-time collaboration straightforward. Morning meetings in IST align well with late morning schedules in SGT.
Travel Between Mumbai and Singapore
Flight times between Mumbai and Singapore often appear misleading because of the time zone shift. A departure at 10:00 AM IST arriving at 2.5:00 PM SGT may look long, but remember to factor in the 2.5-hour offset.
Medical experts recommend allowing approximately one day of adjustment per hour of time difference. For the 2.5-hour shift between IST and SGT, plan for a quick adjustment of 1–2 days.
Daylight Saving Time Considerations
Countries near the equator — including Singapore, most of Africa, and parts of South America — do not observe DST, making their offsets constant year-round. This simplifies scheduling compared to US or European zones.
For the IST to SGT conversion specifically: IST (UTC+5.5) and SGT (UTC+8) neither observes DST, so the 2.5-hour offset remains constant throughout the year. This makes scheduling reliable and predictable.
Related Time Zone Conversions
References & Resources
Frequently Asked Questions
IST (India Standard Time) is 2.5 hours behind SGT (Singapore Time). IST is UTC+5.5 and SGT is UTC+8.
When it is 12:00 PM (noon) in IST, it is 2:30 PM in SGT.
The best overlap for business hours is approximately 11:00 AM to 7:00 PM SGT, which corresponds to 9:00 AM to 5:00 PM in IST.
Countries near the equator — including Singapore, most of Africa, and parts of South America — do not observe DST, making their offsets constant year-round. This simplifies scheduling compared to US or European zones.