Colombo to Los Angeles
-12h 30mColombo
ISTSOURCELos Angeles
PDTGreen rows indicate typical business hours (9 AM - 5 PM)
IST and PDT on the World Map
The map below highlights the IST (India Standard Time) and PDT (Pacific Standard Time) timezone regions across the globe.
IST – India Standard Time
UTC+05:30India Standard Time (IST) is the time zone for India and Sri Lanka, 5 hours and 30 minutes ahead of UTC.
- •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.
PST – Pacific Standard Time
UTC-08:00Pacific Standard Time (PST) is the time zone for the US and Canadian Pacific coast, 8 hours behind UTC.
- •Silicon Valley and the world's biggest tech companies operate on Pacific Time.
- •The Hollywood film industry runs on PST/PDT.
- •PST is 3 hours behind EST, creating a significant business hours gap.
- •Vancouver, Canada's third-largest city, uses PST.
About Colombo
WikipediaColombo operates on Sri Lanka Time (SLST), UTC+5:30. Sharing India's timezone, Colombo is a key South Asian trade and tourism hub.
Sri Lanka Standard Time (SLST) uses UTC+5:30, same offset as India.
About Los Angeles
WikipediaLos Angeles operates on Pacific Time (PST/PDT), 3 hours behind New York. As the entertainment capital, LA time is important for media and tech industries.
Los Angeles is the entertainment capital of the world, home to Hollywood and major film studios.
Comparing Time Zones: Colombo and Los Angeles
Colombo runs on India Standard Time (IST) at UTC+05:30. Los Angeles runs on Pacific Daylight Time (PDT) at UTC-07:00, also currently on daylight saving time. That puts Colombo 12 hours 30 minutes behind Los Angeles — a difference of -12h 30m at the current offsets.
In practice, when it is 9:00 AM in Colombo it is 8:30 PM in Los Angeles on the previous day. Midnight in Colombo is 11:30 AM in Los Angeles.Los Angeles observes daylight saving time while Colombo does not, so the gap narrows or widens by an hour part of the year.
Colombo to Los Angeles time conversion table
| Colombo (IST) | Los Angeles (PDT) | Day |
|---|---|---|
| 12:00 AM | 11:30 AM | previous day |
| 6:00 AM | 5:30 PM | previous day |
| 7:00 AM | 6:30 PM | previous day |
| 8:00 AM | 7:30 PM | previous day |
| 9:00 AM | 8:30 PM | previous day |
| 12:00 PM | 11:30 PM | previous day |
| 3:00 PM | 2:30 AM | same day |
| 5:00 PM | 4:30 AM | same day |
| 6:00 PM | 5:30 AM | same day |
| 9:00 PM | 8:30 AM | same day |
Why people convert Colombo to Los Angeles time
- Scheduling a call from Colombo to Los Angeles: a 10:00 AM start in Colombo lands at 9:30 PM in Los Angeles the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -12h 30m gap: Colombo and Los Angeles have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Los Angeles is 8:30 PM in Colombo.
- Booking travel or deliveries: tracking Los Angeles local time against Colombo keeps pickup windows and arrival estimates honest across the -12h 30m offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM IST" is unambiguous; "3 PM" across a -12h 30m gap is not.
- With a -12h 30m gap there is no shared 9-to-5 window, so alternate the early start: one week Colombo takes the early slot, the next week Los Angeles does.
- Los Angeles: Clocks fall back on Sun, Nov 1, 2026. Any meeting series spanning that date will shift by an hour in local time.
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 PST (Pacific Standard Time)
Pacific Standard Time (PST) covers the west coast of North America, including tech hubs like San Francisco and Seattle, and entertainment capital Los Angeles. The Pacific Time Zone is home to Silicon Valley and the world's largest technology companies. During summer, clocks advance to Pacific Daylight Time (PDT, UTC-07:00). PST is also observed in Baja California, Mexico.
Best time to call between Colombo and Los Angeles
With a -12h 30m offset there is no overlap inside a normal 9 AM – 5 PM day. Los Angeles opens at 9:00 AM PDT, which is 8:30 PM in Colombo, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Colombo and Los Angeles have no shared working hours because of the -12h 30m gap. Teams need to alternate early starts or rely on asynchronous handovers.
Colombo is 12 hours 30 minutes behind Los Angeles (IST UTC+05:30 → PDT UTC-07:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Colombo
Does not observe DST
Los Angeles
☀ Currently in DST
Standard: UTC-08:00 · DST: UTC-07:00
Clocks fall back on Sun, Nov 1, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Colombo and Los Angeles?
Colombo (IST, UTC+05:30) is 12 hours 30 minutes behind Los Angeles (PDT, UTC-07:00). The gap is currently -12h 30m.
How do I convert Colombo time to Los Angeles time?
Add -12h 30m to Colombo local time. For example, 9:00 AM in Colombo is 8:30 PM in Los Angeles (previous day).
What time is it in Los Angeles right now?
Los Angeles uses PDT at UTC-07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -12h 30m offset from Colombo.
What is the best time to call Los Angeles from Colombo?
There is no shared working-hours window because of the -12h 30m gap. The closest option is 1:00 PM in Colombo, which is 12:30 AM in Los Angeles.
Which is behind, Colombo or Los Angeles?
Colombo is 12 hours 30 minutes behind Los Angeles. When it is 12:00 PM in Colombo it is 11:30 PM in Los Angeles.
Do Colombo and Los Angeles use different time zones?
Colombo (Sri Lanka) uses IST at UTC+05:30, while Los Angeles (USA) uses PDT at UTC-07:00. The IANA identifiers are Asia/Colombo and America/Los_Angeles.
Does daylight saving time affect the Colombo–Los Angeles difference?
Yes at the moment: Los Angeles is on daylight saving time and Colombo is not, so the -12h 30m gap shifts by an hour when exactly one of them changes clocks.
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 Los Angeles?
Sometimes. The -12h 30m gap is large enough that 8:00 PM or later in Colombo already falls on the in Los Angeles.
What is the time difference between Colombo and Los Angeles?
Los Angeles is -12h 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 Los Angeles in?
Los Angeles operates on Pacific Time (PST/PDT), 3 hours behind New York. As the entertainment capital, LA time is important for media and tech industries.
What are the business hours in Colombo?
Standard business hours in Colombo are 9:00 AM - 5:00 PM IST.
What are the business hours in Los Angeles?
Standard business hours in Los Angeles are 9:00 AM - 5:00 PM PST.
What is the best time to schedule a call between Colombo and Los Angeles?
The best overlap for a call is when both cities are in business hours. Colombo works 9:00 AM - 5:00 PM IST and Los Angeles works 9:00 AM - 5:00 PM PST (-12h 30m difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Colombo and Los Angeles?
Colombo uses LKR (Rs) while Los Angeles uses USD ($). Check current exchange rates when planning travel or business between these cities.
How do Colombo and Los Angeles compare in size?
Colombo has a population of approximately 752,000 (metro: 5.6 million), while Los Angeles has approximately 4 million (metro: 13.2 million).
What are the major landmarks in Colombo and Los Angeles?
Colombo is known for Galle Face Green, Gangaramaya Temple, Colombo Lotus Tower. Los Angeles is famous for Hollywood Sign, Santa Monica Pier, Griffith Observatory.
Do Colombo and Los Angeles have stock exchanges?
Yes. Colombo has the CSE (Colombo Stock Exchange) and Los Angeles has the N/A (Uses NYSE/NASDAQ). The -12h 30m time difference affects trading hour overlaps between these exchanges.
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 PST timezone?
Major cities in the PST timezone include Los Angeles, San Francisco, Seattle, Vancouver, San Diego, Portland, Las Vegas, Sacramento.
What is the UTC offset for PST?
Pacific Standard Time (PST) is at UTC-08:00. During daylight saving time, it shifts to PDT.
What should I know about the PST timezone?
Silicon Valley and the world's biggest tech companies operate on Pacific Time. The Hollywood film industry runs on PST/PDT.
When is it midnight in Colombo, what time is it in Los Angeles?
When it is 12:00 AM (midnight) in Colombo (IST), it is -12h 30m later in Los Angeles (PST).
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