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India • Live Time Zone Guide

India Time Zone

India uses one official civil time zone nationwide: India Standard Time (IST), UTC+05:30. The offset stays the same throughout the year because India does not currently observe daylight saving time. The IANA time-zone identifier used for India is Asia/Kolkata.

Important: “India Time Zone” can mean two different things. For the country India, the civil time zone is IST at UTC+05:30. In NATO and military letter-zone terminology, “India” is the spoken name for the letter I and means UTC+09:00. That military usage is unrelated to India's national civil time.
Official civil zones1India Standard Time nationwide
UTC offsetUTC+05:30Half-hour offset all year
Daylight savingNot observedNo seasonal clock change
See India's Time Zone Time Zone Converter Current Time in India
Search India Standard Time, the UTC+05:30 offset, a major Indian city or a related regional reference.
Popular: IST Time Now UTC+5:30 Time in India Converter UTC Offsets Asia Time Zone Map

India Time Zone at a Glance

India's civil-time system is nationally uniform. The most useful details are the single nationwide zone, its half-hour UTC offset, the absence of DST and the difference between the unambiguous IANA identifier and the abbreviation IST.

1

One Nationwide Time Zone

Every Indian state and union territory uses India Standard Time.

See the national zone → :30

Why UTC+05:30?

Understand India's half-hour offset and why it differs from whole-hour zones.

Understand the offset → DST

No Daylight Saving Time

India keeps the same UTC+05:30 offset throughout the year.

Check DST status → IN

Time Zone by State

Confirm that all 28 states and 8 union territories use IST.

Browse India coverage → IANA

Asia/Kolkata

Use the location-based identifier that software can interpret unambiguously.

See IANA details → ⇄

Compare India Time

Compare IST with New York, London, Singapore, China and other major zones.

Compare live times →

India's One Official Time Zone

India uses one official civil time across the entire country. The time does not change by state, city or season.

Open the IST reference →
Official TimeCoverageIANA ZoneUTC OffsetCurrent Time
India Standard Time (IST)All of IndiaAsia/KolkataUTC+05:30Live
India Time Zone by State IST Time Now UTC+5:30 Time Now

Major Indian Locations — Same Official Time

India's largest cities are thousands of kilometers apart, but they all use the same official civil clock. These links open the matching current-time pages where available.

National CapitalNew DelhiIST · UTC+05:30 · Asia/Kolkata.→ MaharashtraMumbaiSame official time as New Delhi.→ KarnatakaBengaluruIST · UTC+05:30 year-round.→ TelanganaHyderabadNo seasonal clock change.→ Tamil NaduChennaiIST · Asia/Kolkata.→ West BengalKolkataIANA reference city for Asia/Kolkata.→ MaharashtraPuneSame national civil time.→ Country ClockCurrent Time in IndiaLive national clock and major-city comparisons.→

India Time Zone by State & Union Territory

Every state and union territory uses the same official civil time: India Standard Time at UTC+05:30. Geographic sunrise and sunset times vary, but the legal clock does not.

DST status →
State / Union TerritoryRegionOfficial TimeUTC OffsetSeasonal Rule
Andhra PradeshSouthIndia Standard Time (IST)UTC+05:30No seasonal clock change
Arunachal PradeshNortheastIndia Standard Time (IST)UTC+05:30No seasonal clock change
AssamNortheastIndia Standard Time (IST)UTC+05:30No seasonal clock change
BiharEastIndia Standard Time (IST)UTC+05:30No seasonal clock change
ChhattisgarhCentralIndia Standard Time (IST)UTC+05:30No seasonal clock change
GoaWestIndia Standard Time (IST)UTC+05:30No seasonal clock change
GujaratWestIndia Standard Time (IST)UTC+05:30No seasonal clock change
HaryanaNorthIndia Standard Time (IST)UTC+05:30No seasonal clock change
Himachal PradeshNorthIndia Standard Time (IST)UTC+05:30No seasonal clock change
JharkhandEastIndia Standard Time (IST)UTC+05:30No seasonal clock change
KarnatakaSouthIndia Standard Time (IST)UTC+05:30No seasonal clock change
KeralaSouthIndia Standard Time (IST)UTC+05:30No seasonal clock change
Madhya PradeshCentralIndia Standard Time (IST)UTC+05:30No seasonal clock change
MaharashtraWestIndia Standard Time (IST)UTC+05:30No seasonal clock change
ManipurNortheastIndia Standard Time (IST)UTC+05:30No seasonal clock change
MeghalayaNortheastIndia Standard Time (IST)UTC+05:30No seasonal clock change
MizoramNortheastIndia Standard Time (IST)UTC+05:30No seasonal clock change
NagalandNortheastIndia Standard Time (IST)UTC+05:30No seasonal clock change
OdishaEastIndia Standard Time (IST)UTC+05:30No seasonal clock change
PunjabNorthIndia Standard Time (IST)UTC+05:30No seasonal clock change
RajasthanNorthwestIndia Standard Time (IST)UTC+05:30No seasonal clock change
SikkimNortheastIndia Standard Time (IST)UTC+05:30No seasonal clock change
Tamil NaduSouthIndia Standard Time (IST)UTC+05:30No seasonal clock change
TelanganaSouthIndia Standard Time (IST)UTC+05:30No seasonal clock change
TripuraNortheastIndia Standard Time (IST)UTC+05:30No seasonal clock change
Uttar PradeshNorthIndia Standard Time (IST)UTC+05:30No seasonal clock change
UttarakhandNorthIndia Standard Time (IST)UTC+05:30No seasonal clock change
West BengalEastIndia Standard Time (IST)UTC+05:30No seasonal clock change
Andaman and Nicobar IslandsUnion TerritoryIndia Standard Time (IST)UTC+05:30No seasonal clock change
ChandigarhUnion TerritoryIndia Standard Time (IST)UTC+05:30No seasonal clock change
Dadra and Nagar Haveli and Daman and DiuUnion TerritoryIndia Standard Time (IST)UTC+05:30No seasonal clock change
Delhi (NCT)Union TerritoryIndia Standard Time (IST)UTC+05:30No seasonal clock change
Jammu and KashmirUnion TerritoryIndia Standard Time (IST)UTC+05:30No seasonal clock change
LadakhUnion TerritoryIndia Standard Time (IST)UTC+05:30No seasonal clock change
LakshadweepUnion TerritoryIndia Standard Time (IST)UTC+05:30No seasonal clock change
PuducherryUnion TerritoryIndia Standard Time (IST)UTC+05:30No seasonal clock change
IST · Half-Hour Offset

Why India Is UTC+05:30

India Standard Time is five hours and thirty minutes ahead of Coordinated Universal Time. The extra 30 minutes is part of the official national standard—not a temporary adjustment. Because India does not currently use daylight saving time, the UTC+05:30 relationship stays constant throughout the year.

IST Time Now UTC+5:30 Time GMT+5:30 Time UTC Offsets
India Standard TimeLive timeIST · UTC+05:30
UTCLive timeUTC+00:00 reference
New DelhiLive timeSame IST national clock
KolkataLive timeAsia/Kolkata · IST

India Time Zone by Major City

Every city below uses the same IANA time-zone rule set and the same official civil time. The table updates live to demonstrate that India's major cities remain synchronized.

See current time across India →
CityIANA ZoneCurrent TimeAbbreviationCurrent UTC OffsetDST
New DelhiAsia/KolkataLiveISTUTC+05:30No
MumbaiAsia/KolkataLiveISTUTC+05:30No
BengaluruAsia/KolkataLiveISTUTC+05:30No
HyderabadAsia/KolkataLiveISTUTC+05:30No
ChennaiAsia/KolkataLiveISTUTC+05:30No
KolkataAsia/KolkataLiveISTUTC+05:30No
DelhiAsia/KolkataLiveISTUTC+05:30No
PuneAsia/KolkataLiveISTUTC+05:30No
AhmedabadAsia/KolkataLiveISTUTC+05:30No
GuwahatiAsia/KolkataLiveISTUTC+05:30No

Does India Observe Daylight Saving Time?

No. India does not currently observe daylight saving time. The country remains on India Standard Time at UTC+05:30 throughout the year, so there is no spring-forward or fall-back clock change.

Current standardIST remains UTC+05:30 all year.
Clock changesNo recurring seasonal transitions under current rules.
Software behaviorAsia/Kolkata returns the same modern UTC offset across the year.
International comparisonsIndia's own offset stays fixed, but the difference with London, New York and other DST locations can change when those places move their clocks.

IST Is a National Time Standard

CSIR–National Physical Laboratory maintains Indian Standard Time and describes IST as UTC(NPLI) plus 5 hours 30 minutes. India's current “One Nation, One Time” program is expanding precise domestic dissemination of that same national standard for infrastructure, telecommunications, finance and public systems.

Maintained by CSIR-NPLIndia's national measurement institute maintains and disseminates IST.
Traceable to UTCIST is maintained as a precise national realization offset from Coordinated Universal Time.
One official clockThe same civil time applies across the country.
2026 precision rolloutIndia continues expanding domestic IST dissemination infrastructure under the One Nation, One Time initiative.

India Time Zone Names, IDs & Meanings

The same Indian civil time can be described in several ways. These labels are related, but they are not interchangeable in every technical or international context.

Civil Time

IST · India Standard Time

The everyday national time-zone name used in India, fixed at UTC+05:30 under current rules.

UTC Offset

UTC+05:30

The mathematical relationship between India's civil clock and Coordinated Universal Time.

IANA

Asia/Kolkata

The location-based identifier software should use to apply India's time-zone history and current rules.

Nationwide Coverage

One Official Civil Time

All Indian states, union territories and major cities use the same official national clock.

Seasonal Rule

No Current DST

India's modern civil offset stays at UTC+05:30 throughout the year.

Do Not Confuse

Military “India” = UTC+09:00

The NATO phonetic word “India” names the letter-I military zone at UTC+09:00. It is not the time zone of the country India.

Quick India Time Zone Compare

Compare India Standard Time with another major world location. India's offset stays fixed at UTC+05:30, while some comparison locations change seasonally.

Live time
Current abbreviation and UTC offset
⇄
Live time
Current abbreviation and UTC offset
Open Full Converter

How India's Time Zone Works

Six points explain nearly every practical India time-zone question.

01 · Nationwide

India Uses One Official Civil Time

New Delhi, Mumbai, Kolkata, Bengaluru and every other Indian location follow the same official national clock.

02 · Offset

IST Is UTC+05:30

India is five hours and thirty minutes ahead of UTC. The 30-minute component is part of the permanent standard offset.

03 · Season

No Current DST

India does not currently advance or set back clocks seasonally, so the modern UTC offset remains stable.

04 · Software

Use Asia/Kolkata

IANA identifiers are preferable to abbreviations because they encode a geographic rule set and avoid abbreviation ambiguity.

05 · Geography

One Clock Across a Wide Country

Solar time differs substantially from east to west, but India's legal civil clock is nationally uniform.

06 · Ambiguity

Country India ≠ Military “India”

The country uses UTC+05:30. The NATO letter-I “India Time Zone” is UTC+09:00 and belongs to a different naming system.

India UTC Offset

India's modern civil-time offset is straightforward: UTC+05:30 all year. There is no second seasonal offset under current rules.

UTC+05:30Current and standard offset for India.
GMT+05:30Numerically equivalent offset wording for contemporary clock arithmetic.
ISTIndia Standard Time, the national civil-time abbreviation.
Asia/KolkataIANA location identifier for software and date-aware rules.
Explore UTC Offsets Convert India Time
Visual Geography

See India in the Asia Time Zone Map

India does not need multiple civil-zone boundaries inside the country, but a regional map makes the UTC+05:30 position easier to understand beside neighboring Asian offsets.

Open Asia Time Zone Map World Time Zone Map
India · One Civil Zone · UTC+05:30

Looking for the Current Time in India?

This page explains India's time-zone rules. If your main question is what time it is in India right now, open the live country or city clocks below.

Country ClockCurrent Time in India CapitalCurrent Time in New Delhi MaharashtraCurrent Time in Mumbai West BengalCurrent Time in Kolkata

Sources & Methodology

India's national time standard is based on authoritative Indian timekeeping sources. Live clocks, UTC offsets and abbreviations on this page use the IANA time-zone identifier Asia/Kolkata through standards-compliant browser APIs rather than a manually hardcoded clock.

CSIR–National Physical Laboratory — Indian Standard Time (IST), UTC+05:30 Press Information Bureau — One Nation, One Time initiative IANA Time Zone Database — current civil-time rule data

Last reviewed: August 20, 2026 · IANA tzdb reference at review: 2026c. India's live values are calculated by location and date; the current civil offset is UTC+05:30 year-round.

India Time Zone FAQ

What time zone is India in?

India uses India Standard Time (IST) nationwide. IST is fixed at UTC+05:30 and India does not currently observe daylight saving time.

How many time zones does India have?

India uses one official civil time zone nationwide. New Delhi, Mumbai, Bengaluru, Hyderabad, Chennai, Kolkata and every Indian state and union territory use IST.

What is India's UTC offset?

India's UTC offset is UTC+05:30 throughout the year under current rules.

Does India observe daylight saving time?

No. India does not currently change clocks seasonally, so IST remains UTC+05:30 all year.

What is the IANA time zone for India?

The IANA identifier used for India is Asia/Kolkata. It is preferable to an abbreviation when software needs an unambiguous geographic rule set.

Is all of India in the same time zone?

Yes. All Indian states and union territories use the same official civil time.

Why is India UTC+5:30?

India Standard Time is a half-hour time zone, exactly five hours and thirty minutes ahead of UTC. The half hour is part of the national standard offset.

Is IST always India Standard Time?

No. IST is ambiguous internationally and can also refer to Irish Standard Time or Israel Standard Time. For India, IST means India Standard Time at UTC+05:30.

Is the military “India Time Zone” the same as India's time zone?

No. The NATO phonetic word “India” represents the letter-I military zone at UTC+09:00. The country India uses IST at UTC+05:30.

Do New Delhi and Mumbai have the same time?

Yes. New Delhi, Mumbai and every other Indian city use the same official India Standard Time.