Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

Sri Lanka to UTC

-5h 30m

Sri Lanka

ISTSOURCE

UTC+05:30

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

UTC

UTC+00:00

HH06

MM30

06:30 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Sri Lanka

UTC

12:00 AM

6:30 PM-1

2:00 AM

8:30 PM-1

4:00 AM

10:30 PM-1

6:00 AM

12:30 AM

8:00 AM

2:30 AM

10:00 AM

4:30 AM

12:00 PM

6:30 AM

2:00 PM

8:30 AM

4:00 PM

10:30 AM

6:00 PM

12:30 PM

8:00 PM

2:30 PM

10:00 PM

4:30 PM

Green rows indicate typical business hours (9 AM - 5 PM)

IST and UTC on the World Map

The map below highlights the IST (India Standard Time) and UTC (Coordinated Universal Time) timezone regions across the globe.

IST Zone

→

UTC Zone

Explore all world timezones interactively →

IST – India Standard Time

UTC+05:30

India Standard Time (IST) is the time zone for India and Sri Lanka, 5 hours and 30 minutes ahead of UTC.

Countries in IST

IndiaSri Lanka

Major Cities in IST

MumbaiDelhiBangaloreKolkataChennaiHyderabadPuneAhmedabadColomboJaipurLucknowSurat

Key Facts about IST

•India is 10 hours 30 minutes ahead of EST and 5 hours 30 minutes ahead of GMT.
•India uses a single time zone despite spanning 30° of longitude.
•IST is one of only a handful of time zones with a 30-minute offset.
•IST is the most populous single time zone in the world with over 1.4 billion people.
•The Bombay Stock Exchange (BSE) and National Stock Exchange (NSE) operate on IST.

Daylight Saving:No – UTC+05:30 year-round

Learn more about IST on Wikipedia

UTC – Coordinated Universal Time

UTC+00:00

Coordinated Universal Time (UTC) is the world's primary time standard, used as the basis for civil time worldwide.

Countries in UTC

Used worldwide as referenceSame zone as: UK, Ireland, Iceland, Portugal, Ghana

Major Cities in UTC

LondonDublinReykjavikAccraLisbonDakar

Key Facts about UTC

•UTC is the basis for all civil time zones worldwide.
•The abbreviation 'UTC' is a compromise between English (CUT) and French (TUC).
•UTC is based on atomic clocks and is accurate to within a nanosecond per day.
•Servers and databases worldwide store timestamps in UTC to avoid timezone confusion.
•Leap seconds are occasionally added to UTC to keep it aligned with Earth's rotation.

Daylight Saving:No – UTC+00:00 year-round

Learn more about UTC on Wikipedia

Time Conversion Guide: Sri Lanka to UTC

Sri Lanka runs on India Standard Time (IST) at UTC+05:30. UTC runs on Coordinated Universal Time (UTC) at UTC+00:00. That puts Sri Lanka 5 hours 30 minutes behind UTC — a difference of -5h 30m at the current offsets.

In practice, when it is 9:00 AM in Sri Lanka it is 3:30 AM in UTC. Midnight in Sri Lanka is 6:30 PM in UTC. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Sri Lanka to UTC time conversion table

Sri Lanka (IST)	UTC (UTC)	Day
12:00 AM	6:30 PM	previous day
6:00 AM	12:30 AM	same day
7:00 AM	1:30 AM	same day
8:00 AM	2:30 AM	same day
9:00 AM	3:30 AM	same day
12:00 PM	6:30 AM	same day
3:00 PM	9:30 AM	same day
5:00 PM	11:30 AM	same day
6:00 PM	12:30 PM	same day
9:00 PM	3:30 PM	same day

Why people convert Sri Lanka to UTC time

Scheduling a call from Sri Lanka to UTC: a 10:00 AM start in Sri Lanka lands at 4:30 AM in UTC, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Sri Lanka and UTC are inside the 9-to-5 working day between 2:30 PM and 5:00 PM IST time (9:00 AM–11:30 AM UTC). That is roughly 2 hours 30 minutes of usable overlap.
Watching a live event or market open: Sri Lanka viewers need 3:30 AM in UTC to catch a 9:00 AM start there, and 5:30 AM if the event is anchored to Sri Lanka.

Always state the zone abbreviation, not just the hour. "3:00 PM IST" is unambiguous; "3 PM" across a -5h 30m gap is not.
Block 2:30 PM–5:00 PM IST as the recurring meeting window if you work primarily from Sri Lanka and need UTC colleagues present.

About IST (India Standard Time)

India Standard Time (IST) is the time observed throughout India and Sri Lanka. It is based on the 82.5°E meridian, passing through Mirzapur in Uttar Pradesh. India uses a single time zone despite spanning roughly 30° of longitude, which has been debated. IST does not observe daylight saving time. India is the world's most populous country, making IST one of the most-used time zones globally. The IT outsourcing industry and call centers operate primarily on IST, making the EST-to-IST conversion one of the most searched timezone conversions.

About UTC (Coordinated Universal Time)

Coordinated Universal Time (UTC) is the primary time standard by which the world regulates clocks and time. It is effectively the successor to GMT and is based on International Atomic Time with leap seconds added to keep it synchronized with Earth's rotation. UTC is used in aviation, computing, navigation, weather forecasting, and the International Space Station. Most programming languages and databases store timestamps in UTC.

Best time to call between Sri Lanka and UTC

Both Sri Lanka and UTC sit inside the 9 AM – 5 PM working day between 2:30 PM–5:00 PM IST, which is 9:00 AM–11:30 AM UTC. That gives roughly 2 hours and 30 minutes of shared time — the safest window for a live call or meeting.

Business hours overlap

Sri Lanka and UTC overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.

Sri Lanka is 5 hours 30 minutes behind UTC (IST UTC+05:30 → UTC UTC+00:00). The shared working window is 2:30 PM–5:00 PM IST. Remember to re-check around daylight-saving transitions.

Learn More About Time

Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between Sri Lanka and UTC?

Sri Lanka (IST, UTC+05:30) is 5 hours 30 minutes behind UTC (UTC, UTC+00:00). The gap is currently -5h 30m.

How do I convert Sri Lanka time to UTC time?

Add -5h 30m to Sri Lanka local time. For example, 9:00 AM in Sri Lanka is 3:30 AM in UTC.

What time is it in UTC right now?

UTC uses UTC at UTC+00:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -5h 30m offset from Sri Lanka.