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.

Colombo to PHT

+2h 30m

Colombo

ISTSOURCE

Sri Lanka · UTC+05:30

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

PHT

UTC+08:00

HH02

MM30

14:30 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Colombo

PHT

12:00 AM

2:30 AM

2:00 AM

4:30 AM

4:00 AM

6:30 AM

6:00 AM

8:30 AM

8:00 AM

10:30 AM

10:00 AM

12:30 PM

12:00 PM

2:30 PM

2:00 PM

4:30 PM

4:00 PM

6:30 PM

6:00 PM

8:30 PM

8:00 PM

10:30 PM

10:00 PM

12:30 AM+1

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

IST and PHT on the World Map

The map below highlights the IST (India Standard Time) and PHT (Philippine Time) timezone regions across the globe.

IST Zone

→

PHT 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

PHT – Philippine Time

UTC+08:00

Philippine Time (PHT, UTC+08:00) is the time zone for the Philippines, 8 hours ahead of UTC.

Countries in PHT

Philippines

Major Cities in PHT

ManilaQuezon CityDavao CityCebu CityZamboanga

Key Facts about PHT

•Philippine Time does not observe daylight saving, so UTC+08:00 is fixed all year.
•PHT shares its offset with China, Hong Kong, Singapore and Malaysia.
•Manila is one of the largest outsourcing hubs in the world.
•The Philippines spans one time zone despite being an archipelago of over 7,600 islands.

Daylight Saving:No – UTC+08:00 year-round

Learn more about PHT on Wikipedia

About Colombo

Wikipedia

Colombo operates on Sri Lanka Time (SLST), UTC+5:30. Sharing India's timezone, Colombo is a key South Asian trade and tourism hub.

Population:752,000

Metro:5.6 million

Business Hours:9:00 AM - 5:00 PM IST

Currency:LKR (Rs)

Stock Exchange:CSE (Colombo Stock Exchange)

Key Landmarks

Galle Face GreenGangaramaya TempleColombo Lotus TowerIndependence SquareDutch Hospital

Did You Know?

Sri Lanka Standard Time (SLST) uses UTC+5:30, same offset as India.

Learn more about IST timezone →

Everything You Need to Know About Colombo and PHT Time

Colombo runs on India Standard Time (IST) at UTC+05:30. PHT runs on Philippine Time (PHT) at UTC+08:00. That puts Colombo 2 hours 30 minutes ahead of PHT — a difference of +2h 30m at the current offsets.

In practice, when it is 9:00 AM in Colombo it is 11:30 AM in PHT. Midnight in Colombo is 2:30 AM in PHT. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Colombo to PHT time conversion table

Colombo (IST)	PHT (PHT)	Day
12:00 AM	2:30 AM	same day
6:00 AM	8:30 AM	same day
7:00 AM	9:30 AM	same day
8:00 AM	10:30 AM	same day
9:00 AM	11:30 AM	same day
12:00 PM	2:30 PM	same day
3:00 PM	5:30 PM	same day
5:00 PM	7:30 PM	same day
6:00 PM	8:30 PM	same day
9:00 PM	11:30 PM	same day

Why people convert Colombo to PHT time

Scheduling a call from Colombo to PHT: a 10:00 AM start in Colombo lands at 12:30 PM in PHT, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Colombo and PHT are inside the 9-to-5 working day between 9:00 AM and 2:30 PM IST time (11:30 AM–5:00 PM PHT). That is roughly 5 hours 30 minutes of usable overlap.
Coordinating a Colombo-based team with PHT contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.

Always state the zone abbreviation, not just the hour. "3:00 PM IST" is unambiguous; "3 PM" across a +2h 30m gap is not.
Block 9:00 AM–2:30 PM IST as the recurring meeting window if you work primarily from Colombo and need PHT 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 PHT (Philippine Time)

Philippine Time (PHT) is fixed at UTC+08:00 all year. The Philippines has not observed daylight saving time since 1978, apart from a brief trial in 1990. PHT shares its offset with China Standard Time, Hong Kong Time, Singapore Time, Malaysian Time and Australian Western Standard Time, which makes Manila a convenient bridge for scheduling across East and Southeast Asia. As one of the world's largest centres for business process outsourcing, Manila keeps overlapping hours with both Australia and, on early shifts, the United States, and its contact-centre schedules are usually planned around Manila local time.

Best time to call between Colombo and PHT

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

Business hours overlap

Colombo and PHT share 5 hours of working-hours overlap (9:00 AM–2:30 PM IST), so scheduling a live meeting is straightforward.

Colombo is 2 hours 30 minutes ahead of PHT (IST UTC+05:30 → PHT UTC+08:00). The shared working window is 9:00 AM–2:30 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 Colombo and PHT?

Colombo (IST, UTC+05:30) is 2 hours 30 minutes ahead of PHT (PHT, UTC+08:00). The gap is currently +2h 30m.

How do I convert Colombo time to PHT time?

Add +2h 30m to Colombo local time. For example, 9:00 AM in Colombo is 11:30 AM in PHT.

What time is it in PHT right now?

PHT uses PHT at UTC+08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +2h 30m offset from Colombo.

What is the best time to call PHT from Colombo?

Call between 9:00 AM and 2:30 PM IST — that maps to 11:30 AM–5:00 PM PHT and keeps both parties inside the working day.

Which is ahead, Colombo or PHT?

Colombo is 2 hours 30 minutes ahead of PHT. When it is 12:00 PM in Colombo it is 2:30 PM in PHT.

Do Colombo and PHT use different time zones?

Colombo (Sri Lanka) uses IST at UTC+05:30, while PHT uses PHT at UTC+08:00. The IANA identifiers are Asia/Colombo and Asia/Manila.

Does daylight saving time affect the Colombo–PHT difference?

Neither zone observes daylight saving time, so the +2h 30m offset between Colombo and PHT is fixed all year.

Which other cities share Colombo's time zone?

IST also covers Mumbai, Delhi, Bangalore, Kolkata, Chennai, Hyderabad, Pune, Ahmedabad and 4 more.

Which countries use IST, Colombo's zone?

IST is used in India, Sri Lanka.

Is there a day difference between Colombo and PHT?

Not normally. The +2h 30m gap only pushes the date over for late-evening times.

What is the time difference between Colombo and PHT?

PHT is +2h 30m from Colombo.

What timezone is Colombo in?

Colombo operates on Sri Lanka Time (SLST), UTC+5:30. Sharing India's timezone, Colombo is a key South Asian trade and tourism hub.

What timezone is PHT in?

PHT operates on its local timezone.

What are the business hours in Colombo?

Standard business hours in Colombo are 9:00 AM - 5:00 PM IST.

Which countries use IST (India Standard Time)?

IST is used in India, Sri Lanka.

Does IST observe daylight saving time?

No, IST does not observe daylight saving time and remains at UTC+05:30 year-round.

What are some interesting 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.

Which cities are in the PHT timezone?

Major cities in the PHT timezone include Manila, Quezon City, Davao City, Cebu City, Zamboanga.

What is the UTC offset for PHT?

Philippine Time (PHT) is at UTC+08:00.

What should I know about the PHT timezone?

Philippine Time does not observe daylight saving, so UTC+08:00 is fixed all year. PHT shares its offset with China, Hong Kong, Singapore and Malaysia.