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Convert SGT (Singapore) to IST (Mumbai)

Convert SGT to IST with an hour-by-hour table

  • Hour-by-hour table
  • Warns on clock changes
  • Runs on your device

13:36=11:06

Singapore (UTC+08:00) → Kolkata (UTC+05:30), 2026-10-26

Kolkata is 2:30 hours and minutes behind
Working hours
09:00–17:00 in Singapore is 06:30–14:30 in Kolkata.
Good time to call
12:00–17:00 in Singapore, which is 09:30–14:30 in Kolkata.

The difference is -2:30 and stays there all year — neither zone changes its clocks relative to the other.

Neither Singapore nor Kolkata has a clock change coming in the next four years.

Singapore to Kolkata, hour by hour

One row every 60 minutes

Every time of day in Singapore and the same moment in Kolkata.
SingaporeKolkataDay
00:0021:30Previous day
01:0022:30Previous day
02:0023:30Previous day
03:0000:30Same day
04:0001:30Same day
05:0002:30Same day
06:0003:30Same day
07:0004:30Same day
08:0005:30Same day
09:0006:30Same day
10:0007:30Same day
11:0008:30Same day
12:0009:30Same day
13:0010:30Same day
14:0011:30Same day
15:0012:30Same day
16:0013:30Same day
17:0014:30Same day
18:0015:30Same day
19:0016:30Same day
20:0017:30Same day
21:0018:30Same day
22:0019:30Same day
23:0020:30Same day
What to do
Mode
Mode
Time zones
From
SingaporeUTC+08:00
To
KolkataUTC+05:30
Date and time
Date
Time

The time in the source zone. Enter one that does not exist and the tool says so.

Clock
Clock
Conversion table
Row spacing
Row spacing

How far apart the rows of the table are.

Clock changes
Clock changes

What to do when a time does not exist, or happens twice, because clocks changed.

Take it with you
Export and share
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Why Convert SGT (Singapore) to IST (Mumbai)?

Converting SGT (Singapore) to IST (Mumbai) enables international communication, facilitates scheduling across time zones, supports business operations, and ensures accurate time coordination between these regions.

Benefits of Time Zone Conversion

  • International Communication: Coordinate meetings and calls across time zones
  • Scheduling: Plan events and appointments accurately
  • Business Operations: Support global business operations
  • Travel Planning: Plan travel and adjust to local time
  • Time Coordination: Ensure accurate time coordination

How to use this converter

  1. Enter date and time

    Enter the date and time in SGT (Singapore), or click "Set to now" for the current moment.

  2. View converted time

    The same instant is shown in IST (Mumbai). Conversion runs on your device; no server is used.

  3. Copy or export

    Use Copy to paste the result elsewhere, or ISO 8601 (UTC) for a standard UTC timestamp.

SGT (Singapore) vs IST (Mumbai): Understanding the Difference

Understanding the differences between SGT (Singapore) and IST (Mumbai) helps you coordinate time across these time zones.

SGT (Singapore) Characteristics

  • IANA identifier: Asia/Singapore
  • Current offset: UTC+8
  • DST: No DST

IST (Mumbai) Characteristics

  • IANA identifier: Asia/Kolkata
  • Current offset: UTC+5:30
  • DST: No DST

Quick reference

Time difference: -2 hours 30 min — IST is 2 hours 30 min behind SGT

SGT (Singapore) vs IST (Mumbai): Understanding the Difference
Time zoneIANA identifierCurrent offsetDST
SGT (Singapore)Asia/SingaporeUTC+8No DST
IST (Mumbai)Asia/KolkataUTC+5:30No DST

Technical note

Times you type are read as local time in the selected zone. Conversions use the IANA time zone rules your device already carries for its own clock, so results agree with your operating system rather than with a server. For anything legally binding, confirm with an authoritative source.

Clock Changes for SGT and IST

The dates below are worked out when this page is built, from the same time zone rules the converter uses. Nothing here is written down, so nothing here can be a year out of date.

Neither Singapore nor Kolkata has a clock change coming in the next four years.

The difference is -2:30 and stays there all year — neither zone changes its clocks relative to the other.

When to Convert SGT (Singapore) to IST (Mumbai)

Convert SGT (Singapore) to IST (Mumbai) when you need to coordinate time between these regions, schedule international meetings, or plan travel.

Ideal Use Cases

  • International Meetings: Schedule meetings between these time zones
  • Business Operations: Coordinate business activities across time zones
  • Travel Planning: Plan travel and adjust to local time
  • Communication: Coordinate calls and communications
  • Event Scheduling: Schedule events across time zones

When to convert SGT (Singapore) to IST (Mumbai)

  • Meetings: Schedule calls and events across SGT (Singapore) and IST (Mumbai).
  • Travel: See local time at your destination before you go.
  • Work: Coordinate with remote teams or clients in the other time zone.
  • Events: Publish start times in both zones so everyone sees the correct local time.

Example Conversions: What Time Is X in IST?

Common searches: 8 PM SGT in IST, 9 AM SGT in IST, what time is 5 PM SGT in IST. Use the converter above to enter any time in SGT (Singapore) and see the equivalent in IST (Mumbai) instantly. The conversion is second-accurate and accounts for daylight saving time.

Time Zone Conversion Facts

Understanding these facts helps you make better use of time zone conversion tools.

Key Statistics

  • Current time difference: -2 hours 30 min (SGT to IST)
  • Time difference varies with daylight saving time where applicable
  • Conversion accounts for daylight saving time changes automatically
  • Our converter uses the IANA time zone database for second-accurate results
  • Real-time conversion ensures accuracy
  • Time zones are based on geographic location and political boundaries

Best Practices

Follow these guidelines to achieve accurate time zone conversion results.

Quality Considerations

  • Verify daylight saving time status for both time zones
  • Check current time difference before scheduling
  • Consider daylight saving time transitions
  • Use real-time conversion for accuracy
  • Double-check conversions for important events

When Not to Use

  • Don't use for historical dates without verifying daylight saving time
  • Avoid using for dates far in the future (DST rules may change)
  • If precise time is critical, verify with official sources
  • Don't use for legal or official time requirements

Other Converters for These Zones

Every link here has its own page. The converter at the top of this page also handles any other combination of over four hundred zones.

Frequently asked questions

What is the time difference between SGT and IST?

IST is 2 hours 30 min behind SGT. The difference varies with daylight saving time. Use the converter above to see the exact difference for any date and time.

Is the conversion accurate?

Yes. The tool uses the IANA time zone database (same as most operating systems and programming languages). Daylight saving time (DST) and historical offset changes are applied automatically. Conversion is second-accurate.

Is my data sent to a server?

No. It all runs on your device, not our servers.

What is ISO 8601 (UTC)?

It is a standard format for a single moment in time, expressed in UTC (e.g. 2025-02-02T14:30:00.000Z). Useful for APIs, contracts, and storing timestamps in a time-zone-neutral way.

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