TimeNumbersA more connected world
UTC +5:30ISTStandard Time (No DST)

India Standard Time (IST) Clock

What time is it in IST right now? Check live atomic clocks for India Standard Time (UTC+5:30), New Delhi and Mumbai hours, and zero seasonal DST shifts.

9:53:31 PMGMT+5:30
Saturday, October 10, 2026
Day 283 of 2026 • Week 41
Your location vs this zone: 5 hours 30 minutes ahead.
Convert time

Multiple Global Meanings for IST

IST is ambiguous and has two major international uses: India Standard Time (UTC+5:30) and Irish Standard Time (UTC+1).

Dedicated Timezone Analysis

Live India Standard Time (UTC+5:30) Display

India Standard Time (IST, UTC+5:30) regulates civil time across the entire Indian subcontinent. Governing major commercial, manufacturing, and tech hubs from New Delhi and Mumbai to Bengaluru and Hyderabad, IST provides a unified temporal foundation for one of the world's fastest-growing economies.

Our live clock connects your browser directly to Stratum-1 atomic time servers with sub-second precision. Use our visual tools to coordinate software releases, manage international support teams, and convert hours across world time zones effortlessly.

Subcontinental Stability: Over 1.4 Billion People on One Clock

Observances, offset conventions, and international coordination for India Standard Time (IST).

Coordinating Sprints with the Indian Tech Ecosystem

Observances, offset conventions, and international coordination for India Standard Time (IST).

Disambiguation: Meanings of IST Worldwide

Because three-letter timezone abbreviations are not internationally unique, IST refers to multiple standard civil offsets depending on context.

India Standard TimeUTC +5:30

Observed across the entire Republic of India and Sri Lanka with zero daylight saving changes.

Regions: India, Sri Lanka
Irish Standard TimeUTC +1

Observed in the Republic of Ireland during the summer months from March to October.

Regions: Ireland
Israel Standard TimeUTC +2

Standard winter time in Israel, switching to IDT (UTC+3) in summer.

Regions: Israel

Timezone Specifications & Offset Anchors

Civil OffsetUTC +5:30
Primary IANA IDAsia/Kolkata
Daylight SavingYear-Round Constant
Interactive MapView on World Map →

Frequently Asked Questions: India Standard Time (IST) Clock

Common queries, time calculations, and scientific explanations

India Standard Time (IST) is the national civil time zone observed across India and Sri Lanka, anchored to an offset of UTC+5:30 (5 hours and 30 minutes ahead of Coordinated Universal Time).

Explore Related Tools & Zones

Quick access to international capitals, timezone offsets, chronometry tools, and horology guides

Precision Horology & Global Time Tools

City Time Differences Directory
Exact hours ahead & overlap for 92+ city pairs
Coordinated Universal Time (UTC)
Canonical atomic reference standard and UTC offset zero
Multi-Zone Time Converter Hub
Convert hours across global zones and cities
Compare World Cities
Direct side-by-side time difference and overlap
United States Time Now
Live atomic clocks across all US time zones and Washington D.C.
Exact Time Digital Clock
Precision digital chronometer with seconds and atomic reference
Online Pomodoro Timer
25/5 study and deep work productivity intervals
Accurate Analog Clock
Smooth sweeping second hand and Swiss watch dial
552 Timezone Converters
Visual timeline converter across 552 global timezone pairs
Date Difference Calculator
Exact days, weeks, months & business days between dates
Date Calculator
Add or subtract days, weeks, months & business days
Golden Hour Calculator
Exact photography lighting, blue hour & civil twilight times
Sunrise & Sunset Times Hub
NOAA algorithm solar dawn and dusk times worldwide
Moon Phases & Illumination
Live lunar surface illumination % and 29.5-day synodic cycle
Interactive World Time Map
Real-time solar terminator, day/night zones & 46 live clocks
400+ Time Zones Directory
Complete canonical IANA database with live ticking clocks
Interactive Timezone Map
Live global clock bands with clickable UTC offset zones
World Cities Directory
Current local time and population across global metropolises
Today's Date Details
Day of year, ISO week, Julian day & year progress percentage
ISO Week Number Calculator
Current ISO week number, calendar quarters & weeks remaining
ISO 8601 String Parser
Parse, validate and format ISO-8601 date-time strings
Unix Timestamp Converter
Epoch seconds converter to human readable UTC & local time
Astronomy & Twilight Lab
Sunrise, sunset, golden hour & moon phase calendar
International Dialing Codes
Country calling codes & smart calling hour guide
Multi-Clock World Wall
Trading floor kiosk with Swiss analog & digital dials
Flight & Jet Lag Calculator
Travel time & circadian light adjustment protocol
Online Alarm Clock
Fullscreen bedside display with Web Audio chimes
Meeting Planner
Overlap working window across 4+ global hubs
Team Overlap Calculator
Mutual working hours matrix for remote teams
Business Days Calculator
Working days between dates & 90-day deadlines
Birthday & Age Countdown
Weeks, days & exact chronological age tracker
Atomic Clock Accuracy
NTP drift latency benchmark
Unix Timestamp Studio
Epoch seconds converter & 2038 lab
Military Time Converter & Chart
Convert 12h to 24h military time with spoken pronunciation & printable chart
Work Hours & Timesheet Calculator
Calculate weekly hours, lunch deductions, overtime pay & gross wages
Best Time to Call Calculator
Find overlapping daytime calling window between international cities
Time Zone VS Comparisons
Head-to-head differences (CST vs EST, PST vs MST, GMT vs UTC)
Daylight Saving Schedule
Global spring forward & fall back dates
Horology Learning Academy
Deep dive into UTC, leap seconds & chronometry
SEO Authority Simulator
Interactive DA vs Keyword Difficulty ranking simulator