PST to Sri Lanka
+13h 30mPST
PSTSOURCESri Lanka
ISTGreen rows indicate typical business hours (9 AM - 5 PM)
PST and IST on the World Map
The map below highlights the PST (Pacific Standard Time) and IST (India Standard Time) timezone regions across the globe.
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.
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.
Comparing Time Zones: PST and Sri Lanka
PST runs on Pacific Standard Time (PST) at UTC-08:00. Sri Lanka runs on India Standard Time (IST) at UTC+05:30. That puts PST 13 hours 30 minutes ahead of Sri Lanka — a difference of +13h 30m at the current offsets.
In practice, when it is 9:00 AM in PST it is 10:30 PM in Sri Lanka. Midnight in PST is 1:30 PM in Sri Lanka. Neither zone observes daylight saving time, so the offset between them stays constant all year.
PST to Sri Lanka time conversion table
| PST (PST) | Sri Lanka (IST) | Day |
|---|---|---|
| 12:00 AM | 1:30 PM | same day |
| 6:00 AM | 7:30 PM | same day |
| 7:00 AM | 8:30 PM | same day |
| 8:00 AM | 9:30 PM | same day |
| 9:00 AM | 10:30 PM | same day |
| 12:00 PM | 1:30 AM | next day |
| 3:00 PM | 4:30 AM | next day |
| 5:00 PM | 6:30 AM | next day |
| 6:00 PM | 7:30 AM | next day |
| 9:00 PM | 10:30 AM | next day |
Why people convert PST to Sri Lanka time
- Scheduling a call from PST to Sri Lanka: a 10:00 AM start in PST lands at 11:30 PM in Sri Lanka, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +13h 30m gap: PST and Sri Lanka 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 Sri Lanka is 10:30 PM in PST.
- Keeping family and friends in sync: knowing that 8:00 PM in PST is 9:30 AM in Sri Lanka makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM PST" is unambiguous; "3 PM" across a +13h 30m gap is not.
- With a +13h 30m gap there is no shared 9-to-5 window, so alternate the early start: one week PST takes the early slot, the next week Sri Lanka does.
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.
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.
Best time to call between PST and Sri Lanka
With a +13h 30m offset there is no overlap inside a normal 9 AM – 5 PM day. Sri Lanka opens at 9:00 AM IST, which is 10:30 PM in PST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
PST and Sri Lanka have no shared working hours because of the +13h 30m gap. Teams need to alternate early starts or rely on asynchronous handovers.
PST is 13 hours 30 minutes ahead of Sri Lanka (PST UTC-08:00 → IST UTC+05:30). 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
PST
☀ Currently in DST
Standard: UTC-08:00 · DST: UTC-07:00
Clocks fall back on Sun, Nov 1, 2026
Sri Lanka
Does not observe DST
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 PST and Sri Lanka?
PST (PST, UTC-08:00) is 13 hours 30 minutes ahead of Sri Lanka (IST, UTC+05:30). The gap is currently +13h 30m.
How do I convert PST time to Sri Lanka time?
Add +13h 30m to PST local time. For example, 9:00 AM in PST is 10:30 PM in Sri Lanka.
What time is it in Sri Lanka right now?
Sri Lanka uses IST at UTC+05:30. Use the live converter at the top of this page — it updates in real time and already accounts for the +13h 30m offset from PST.
What is the best time to call Sri Lanka from PST?
There is no shared working-hours window because of the +13h 30m gap. The closest option is 1:00 PM in PST, which is 2:30 AM in Sri Lanka.
Which is ahead, PST or Sri Lanka?
PST is 13 hours 30 minutes ahead of Sri Lanka. When it is 12:00 PM in PST it is 1:30 AM in Sri Lanka.
Do PST and Sri Lanka use different time zones?
PST uses PST at UTC-08:00, while Sri Lanka (Sri Lanka) uses IST at UTC+05:30. The IANA identifiers are America/Los_Angeles and Asia/Colombo.
Does daylight saving time affect the PST–Sri Lanka difference?
Neither zone observes daylight saving time, so the +13h 30m offset between PST and Sri Lanka is fixed all year.
Which other cities share PST's time zone?
PST also covers Los Angeles, San Francisco, Seattle, Vancouver, San Diego, Portland, Las Vegas, Sacramento and 2 more.
Which countries use PST, PST's zone?
PST is used in United States (Pacific), Canada (British Columbia), Mexico (Baja California).
Is there a day difference between PST and Sri Lanka?
Sometimes. The +13h 30m gap is large enough that 8:00 PM or later in PST already falls on the next day in Sri Lanka.
What is the time difference between PST and Sri Lanka?
Sri Lanka is +13h 30m from PST.
What timezone is PST in?
PST operates on its local timezone.
What timezone is Sri Lanka in?
Sri Lanka operates on its local timezone.
Which countries use PST (Pacific Standard Time)?
PST is used in United States (Pacific), Canada (British Columbia), Mexico (Baja California).
Does PST observe daylight saving time?
Yes, PST switches to PDT during summer months.
What are some interesting facts about PST?
Silicon Valley and the world's biggest tech companies operate on Pacific Time. The Hollywood film industry runs on PST/PDT.
Which cities are in the IST timezone?
Major cities in the IST timezone include Mumbai, Delhi, Bangalore, Kolkata, Chennai, Hyderabad, Pune, Ahmedabad.
What is the UTC offset for IST?
India Standard Time (IST) is at UTC+05:30.
What should I know about the IST timezone?
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.
When is it midnight in PST, what time is it in Sri Lanka?
When it is 12:00 AM (midnight) in PST (PST), it is +13h 30m later in Sri Lanka (IST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More PST time conversions
- pst to los angeles
- pst to pdt
- pst to new york
- pst to london
- pst to dubai
- pst to tokyo
- pst to singapore
- pst to sydney
- pst to paris
- pst to delhi
- pst to mumbai
- pst to berlin
- pst to hong kong
- pst to toronto
- pst to kathmandu
- new york to pst
- london to pst
- dubai to pst
- tokyo to pst
- singapore to pst
- sydney to pst
- los angeles to pst
- paris to pst
- delhi to pst
- mumbai to pst
- berlin to pst
- hong kong to pst
- toronto to pst
- kathmandu to pst
See every conversion from PST →·See every conversion from Sri Lanka →