Current Local Time in Kolkata
India Asia/Kolkata IST UTC+5:30 No clock change
5:00:00 PM
Sunday, August 2, 2026
Daytime UTC+5:30 (+05:30)
Static values shown for ; your browser updates them to the current second.
UTC offset now
UTC+5:30
Same on every date
Abbreviation
IST
No seasonal variant
Daylight saving
No clock change
Kolkata never changes its clocks
IANA time zone
Asia/Kolkata
India · Asia
Kolkata time zone
Because India does not operate daylight saving time in Asia/Kolkata, Kolkata sits at UTC+5:30 (IST) on every date of 2026. Scheduling across this zone is stable year-round.
- IANA time zone
- Asia/Kolkata
- Offset in standard time
- UTC+5:30 (IST)
- Daylight saving time
- Not observed — no clock change
- Most recent clock change
- None on record in recent years
- Next clock change
- None scheduled — clocks stay as they are
- When it is 12:00 UTC
- 5:30 PM in January · 5:30 PM in July
Clock changes in Kolkata, 2026–2028
Full record for Kolkata → ten years back and ten forward, with each year's DST window.
No clock change. Kolkata stays on UTC+5:30 (IST) through 2028 under the rules currently published in the IANA time zone database. Governments do sometimes change these rules, so this page is regenerated from the latest database on every build.
Sun and moon in Kolkata
Computed for 22.5726°, 88.3639° on August 2, 2026.
Sunrise
5:08 AM
Sunset
6:17 PM
Day length
13h 09m
−0m 57s vs yesterday
Solar noon
11:42 AM
Sun at its highest
| Phase | Morning | Evening | Sun's altitude |
|---|---|---|---|
| Astronomical twilight | 3:46 AM | 7:38 PM | −18° to −12° |
| Nautical twilight | 4:16 AM | 7:09 PM | −12° to −6° |
| Civil twilight | 4:44 AM | 6:41 PM | −6° to −0.833° |
| Sunrise / sunset | 5:08 AM | 6:17 PM | −0.833° (upper limb at the horizon) |
Across 2026, daylight in Kolkata runs from about 10h 45m at the shortest day to 13h 31m at the longest.
Moon
Waning gibbous
80% illuminated · 19.1 days into the cycle · waning
- Moonrise
- 8:36 PM
- Moonset
- 8:11 AM
- Next full moon
- Aug 28, 9:49 AM
- Next new moon
- Aug 12, 11:08 PM
Sun and moon figures are computed locally from standard astronomical series (NOAA solar equations and Meeus' lunar terms) — accurate to about a minute at mid latitudes, and less near the poles where the sun crosses the horizon at a shallow angle.
Weather in Kolkata
Loading current weather for Kolkata.
Current weather for Kolkata is unavailable right now. Everything else on this page — local time, time zone rules, sunrise and sunset — is computed locally and unaffected.
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Feels like
- Today's high / low
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- Humidity
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- Wind
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- Tomorrow
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Measured · source Open-Meteo · cached for 30 minutes
Time difference between Kolkata and other cities
Differences are computed from each city's own zone rules, so pairs whose clocks change on different dates show more than one value across the year.
| City | Local time | Difference | Across the year |
|---|---|---|---|
| New York United States | 7:30 AM | −9:30h | Varies: −9:30h / −10:30h |
| Sao Paulo Brazil | 8:30 AM | −8:30h | Fixed all year |
| London United Kingdom | 12:30 PM | −4:30h | Varies: −4:30h / −5:30h |
| Tel Aviv Israel | 2:30 PM | −2:30h | Varies: −2:30h / −3:30h |
| Cairo Egypt | 2:30 PM | −2:30h | Varies: −2:30h / −3:30h |
| Shanghai China | 7:30 PM | +2:30h | Fixed all year |
| Sydney Australia | 9:30 PM | +4:30h | Varies: +5:30h / +4:30h |
| Los Angeles United States | 4:30 AM | −12:30h | Varies: −12:30h / −13:30h |
Kolkata at a glance
- Country
- India
- Region
- Asia
- Coordinates
- 22.5726° N, 88.3639° E
- IANA time zone
- Asia/Kolkata
- Currency
- INR
- Language
- Hindi / English
- Usual clock notation
- 12-hour
Only fields we can source are listed; nothing on this page is estimated. Sources are in data sources .
Frequently asked questions
What time is it in Kolkata right now?
The clock at the top of this page shows the current local time in Kolkata, India, updated every second from your device's clock and converted with the Asia/Kolkata time zone rules. Kolkata currently runs at UTC+5:30 (IST) all year round.
What time zone is Kolkata in?
The IANA identifier for Kolkata is Asia/Kolkata. Its abbreviation is IST all year.
What is the UTC offset in Kolkata?
Kolkata stays at UTC+5:30 throughout the year. Its clocks never move, so the offset shown here is the offset on every date.
Does Kolkata observe daylight saving time?
No. Kolkata does not use daylight saving time — there is no clock change in 2026, so UTC+5:30 applies on every date. Differences with cities that do change their clocks still move twice a year, because the other city shifts.
What is the time difference between Kolkata and New York?
For most of 2026, New York is 9 hours 30 minutes behind Kolkata. Because the two places change their clocks on different dates, the gap is 10 hours 30 minutes (New York behind Kolkata) from January 1 – March 8 and November 1 – January 1.
What is the time difference between Kolkata and Sao Paulo?
The gap is fixed: Sao Paulo is 8 hours 30 minutes behind Kolkata on every date of the year.
What is the time difference between Kolkata and London?
For most of 2026, London is 4 hours 30 minutes behind Kolkata. Because the two places change their clocks on different dates, the gap is 5 hours 30 minutes (London behind Kolkata) from January 1 – March 29 and October 25 – January 1.
How long is the day in Kolkata?
Day length in Kolkata ranges from about 10h 45m at the shortest day of 2026 to about 13h 31m at the longest. The sunrise and sunset section on this page shows today's figures for latitude 22.57°, longitude 88.36°.