Time difference
Kolkata to Singapore Time Difference
Singapore is 2 hours and 30 minutes ahead of Kolkata — when it's 12:00 PM in Kolkata, it's 2:30 PM in Singapore. (Kolkata (Asia/Kolkata, IST); Singapore (Asia/Singapore, GMT+8).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Singapore is 2 hours and 30 minutes ahead of Kolkata. The best window for a call is 9 AM–2:30 PM in Kolkata, which is 11:30 AM–5 PM in Singapore — an overlap of 5 hours and 30 minutes inside 9 AM–5 PM on both sides. Kolkata and Singapore change their clocks together (or don't change at all), so the time difference between them stays the same all year.
- When it's 9:00 AM in Kolkata, it's 11:30 AM in Singapore.
- When it's 9:00 AM in Singapore, it's 6:30 AM in Kolkata.
Singapore is currently 2 hours and 30 minutes ahead of Kolkata.
Interactive converter
12:00PM
--:----
Best times to meet
The 9 AM – 5 PM business windows in Kolkata and Singapore overlap for 5 hours and 30 minutes. 9 AM–2:30 PM in Kolkata is 11:30 AM–5 PM in Singapore. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.
Quick conversion table
| Kolkata | Singapore |
|---|---|
| 12 AM | 2:30 AM |
| 1 AM | 3:30 AM |
| 2 AM | 4:30 AM |
| 3 AM | 5:30 AM |
| 4 AM | 6:30 AM |
| 5 AM | 7:30 AM |
| 6 AM | 8:30 AM |
| 7 AM | 9:30 AM |
| 8 AM | 10:30 AM |
| 9 AM | 11:30 AM |
| 10 AM | 12:30 PM |
| 11 AM | 1:30 PM |
| 12 PM | 2:30 PM |
| 1 PM | 3:30 PM |
| 2 PM | 4:30 PM |
| 3 PM | 5:30 PM |
| 4 PM | 6:30 PM |
| 5 PM | 7:30 PM |
| 6 PM | 8:30 PM |
| 7 PM | 9:30 PM |
| 8 PM | 10:30 PM |
| 9 PM | 11:30 PM |
| 10 PM | 12:30 AM (next day) |
| 11 PM | 1:30 AM (next day) |
Daylight saving
The time difference between these two cities stays the same over the next twelve months — neither zone is changing for daylight saving in that window.
- Kolkata does not observe daylight saving time.
- Singapore does not observe daylight saving time.
Frequently asked questions
- Is Singapore ahead of or behind Kolkata?
- Singapore is 2 hours and 30 minutes ahead of Kolkata.
- How many hours ahead of Kolkata is Singapore?
- Singapore is 2 hours and 30 minutes ahead of Kolkata.
- What time is 9 AM in Kolkata in Singapore?
- 9:00 AM in Kolkata is 11:30 AM in Singapore.
- What time is noon in Kolkata in Singapore?
- 12:00 PM in Kolkata is 2:30 PM in Singapore.
- What time is 5 PM in Kolkata in Singapore?
- 5:00 PM in Kolkata is 7:30 PM in Singapore. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Kolkata in Singapore?
- 3:00 PM in Kolkata is 5:30 PM in Singapore.
- Is Kolkata currently observing daylight saving time?
- Kolkata does not observe daylight saving time — its UTC offset stays the same all year.
- Is Singapore currently observing daylight saving time?
- Singapore does not observe daylight saving time — its UTC offset stays the same all year.
- Do Kolkata and Singapore observe daylight saving?
- The time difference between these two cities stays the same over the next twelve months — neither zone is changing for daylight saving in that window.
- When is the best time to call Singapore from Kolkata?
- Aim for 9 AM–2:30 PM in Kolkata, which is 11:30 AM–5 PM in Singapore.
- When is the best time to call Kolkata from Singapore?
- Aim for 11:30 AM–5 PM in Singapore, which is 9 AM–2:30 PM in Kolkata.
- Kolkata (IST) to Singapore (GMT+8) — how do I convert quickly?
- Add 2 hours and 30 minutes to Kolkata local time to get Singapore local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
Other conversions
- Kolkata to New York
- Kolkata to London
- Kolkata to Tokyo
- Dubai to Kolkata
- Kolkata to Los Angeles
- Kolkata to Sydney
- Kolkata to Paris
- Kolkata to Mumbai
- Hong Kong to Kolkata
- Kolkata to San Francisco