Time Conversion Calculator
Singapore to IST Converter
Convert Singapore Time to India Standard Time with date-aware logic, a 24-hour table, meeting planner, and copy-ready result.
Convert SGT to IST
Choose a date and time in Singapore Time. The calculator will show the matching India Standard Time time.
Suggested meeting times
24-hour SGT to IST conversion table
Full-day conversion for the selected date.
| Singapore Time | India Standard Time | Meeting note |
|---|---|---|
| Select a time and convert to generate the table. | ||
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Singapore to IST: quick answer
To convert Singapore time to India Standard Time, subtract 2 hours and 30 minutes. For example, 9:00 AM in Singapore is 6:30 AM IST in India. Singapore Standard Time is UTC+08:00, while India Standard Time is UTC+05:30.
The difference remains 2 hours and 30 minutes throughout the year under current rules because neither Singapore nor India observes daylight saving time.
How to convert Singapore time to India time
- Start with the date and local time in Singapore.
- Subtract 2 hours and 30 minutes.
- If the result moves before midnight, use the previous calendar date in India.
- Label the result as India Standard Time or IST.
Example: 1:15 AM Singapore time − 2 hours 30 minutes = 10:45 PM IST on the previous calendar date.
Singapore time and IST offsets
| Time standard | UTC offset | Daylight saving |
|---|---|---|
| Singapore Standard Time | UTC+08:00 | Not currently observed |
| India Standard Time | UTC+05:30 | Not currently observed |
| Difference | −2 hours 30 minutes | IST is behind Singapore |
The converter uses the IANA identifiers Asia/Singapore and Asia/Kolkata. It converts the selected local date and time as one instant and then formats that instant in India, preserving the correct calendar date.
Singapore, SGT and IST abbreviation guidance
Singapore time is commonly abbreviated SGT, while IST on this page means India Standard Time. IST can also refer to Irish or Israel Standard Time in other contexts. Confirm that the destination is India or UTC+05:30 before relying on an abbreviated invitation.
Common Singapore to IST conversions
| Singapore time | India time (IST) | Date note |
|---|---|---|
| 1:00 AM | 10:30 PM | Previous day |
| 2:30 AM | 12:00 AM | Same day |
| 6:00 AM | 3:30 AM | Same day |
| 9:00 AM | 6:30 AM | Same day |
| 11:30 AM | 9:00 AM | Same day |
| 1:00 PM | 10:30 AM | Same day |
| 5:00 PM | 2:30 PM | Same day |
| 7:30 PM | 5:00 PM | Same day |
| 10:00 PM | 7:30 PM | Same day |
Calendar-date changes
Singapore times from 12:00 AM through 2:29 AM convert to the previous calendar date in India. At 2:30 AM Singapore time, the result is 12:00 AM IST on the same date. Include both the date and timezone in flight, webinar and meeting details so the earlier India date is not overlooked.
Best Singapore-to-India meeting window
A practical shared 9-to-5 business-hours window is 11:30 AM-5:00 PM in Singapore, corresponding to 9:00 AM-2:30 PM IST. If the India team can meet until 6:00 PM, the overlap extends to 8:30 PM in Singapore. Confirm local holidays and each organization’s working hours separately.
Formula, methodology and verification
The calculation compares Singapore’s UTC offset of 480 minutes with India’s offset of 330 minutes. The target-minus-source difference is −150 minutes, so the converter subtracts 2 hours and 30 minutes. Verification covers half-hour arithmetic, previous-day and year-boundary rollover, leap-day dates, 12-hour and 24-hour formats, and reciprocal Singapore-to-IST-to-Singapore tests.
Representative QA cases include 9:00 AM Singapore = 6:30 AM IST, 2:30 AM Singapore = 12:00 AM IST, and 1:00 AM Singapore = 10:30 PM IST on the previous day. Historical dates can follow earlier rules recorded in the timezone database; for current scheduling, the displayed modern difference is fixed.
Frequently asked questions
How far ahead is Singapore from India?
Singapore is 2 hours and 30 minutes ahead of India Standard Time under current rules.
What is 9:00 AM Singapore time in IST?
9:00 AM in Singapore is 6:30 AM IST on the same calendar date.
What is 12:00 PM Singapore time in India?
12:00 PM in Singapore is 9:30 AM IST on the same calendar date.
Do Singapore and India use daylight saving time?
No. Singapore and India do not currently change their clocks for daylight saving time, so the modern difference stays fixed.
Is SGT the same as Singapore time?
Yes. SGT is a common abbreviation for Singapore Standard Time, which is UTC+08:00.
When does the date change from Singapore to IST?
Singapore times from midnight through 2:29 AM convert to the previous calendar date in India.
Related converters and official references
Starting with India time? Use the IST to Singapore Converter.
You can also compare the IST to UTC Converter and UTC to IST Converter.
References: Singapore Interpretation Act standard-time provision, CSIR-NPL Indian Standard Time metrology, and the IANA Time Zone Database.