Sri Lanka to Karachi
-0h 30mSri Lanka
ISTSOURCEKarachi
PKTGreen rows indicate typical business hours (9 AM - 5 PM)
IST and PKT on the World Map
The map below highlights the IST (India Standard Time) and PKT (Pakistan 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.
PKT – Pakistan Standard Time
UTC+05:00Pakistan Standard Time (PKT) is the time zone for Pakistan, 5 hours ahead of UTC.
- •Pakistan does not observe daylight saving time.
- •Karachi is one of the world's most populous cities.
- •PKT is the same offset as Uzbekistan (UZT) and Yekaterinburg (YEKT).
About Karachi
WikipediaKarachi operates on Pakistan Standard Time (PKT), UTC+5. As Pakistan's financial hub and largest port city, Karachi time drives South Asian commerce.
Karachi is one of the fastest-growing megacities in the world.
Comparing Time Zones: Sri Lanka and Karachi
Sri Lanka runs on India Standard Time (IST) at UTC+05:30. Karachi runs on Pakistan Standard Time (PKT) at UTC+05:00. That puts Sri Lanka 30 minutes behind Karachi — a difference of -0h 30m at the current offsets.
In practice, when it is 9:00 AM in Sri Lanka it is 8:30 AM in Karachi. Midnight in Sri Lanka is 11:30 PM in Karachi. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Sri Lanka to Karachi time conversion table
| Sri Lanka (IST) | Karachi (PKT) | Day |
|---|---|---|
| 12:00 AM | 11:30 PM | previous day |
| 6:00 AM | 5:30 AM | same day |
| 7:00 AM | 6:30 AM | same day |
| 8:00 AM | 7:30 AM | same day |
| 9:00 AM | 8:30 AM | same day |
| 12:00 PM | 11:30 AM | same day |
| 3:00 PM | 2:30 PM | same day |
| 5:00 PM | 4:30 PM | same day |
| 6:00 PM | 5:30 PM | same day |
| 9:00 PM | 8:30 PM | same day |
Why people convert Sri Lanka to Karachi time
- Scheduling a call from Sri Lanka to Karachi: a 10:00 AM start in Sri Lanka lands at 9:30 AM in Karachi, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Sri Lanka and Karachi are inside the 9-to-5 working day between 9:30 AM and 5:00 PM IST time (9:00 AM–4:30 PM PKT). That is roughly 7 hours 30 minutes of usable overlap.
- Watching a live event or market open: Sri Lanka viewers need 8:30 AM in Karachi to catch a 9:00 AM start there, and 12:30 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 -0h 30m gap is not.
- Block 9:30 AM–5:00 PM IST as the recurring meeting window if you work primarily from Sri Lanka and need Karachi 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 PKT (Pakistan Standard Time)
Pakistan Standard Time (PKT) is the time zone used throughout Pakistan. PKT does not observe daylight saving time. Pakistan is the 5th most populous country in the world.
Best time to call between Sri Lanka and Karachi
Both Sri Lanka and Karachi sit inside the 9 AM – 5 PM working day between 9:30 AM–5:00 PM IST, which is 9:00 AM–4:30 PM PKT. That gives roughly 7 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
Sri Lanka and Karachi share 7 hours of working-hours overlap (9:30 AM–5:00 PM IST), so scheduling a live meeting is straightforward.
Sri Lanka is 30 minutes behind Karachi (IST UTC+05:30 → PKT UTC+05:00). The shared working window is 9:30 AM–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:
Frequently Asked Questions
What is the time difference between Sri Lanka and Karachi?
Sri Lanka (IST, UTC+05:30) is 30 minutes behind Karachi (PKT, UTC+05:00). The gap is currently -0h 30m.
How do I convert Sri Lanka time to Karachi time?
Add -0h 30m to Sri Lanka local time. For example, 9:00 AM in Sri Lanka is 8:30 AM in Karachi.
What time is it in Karachi right now?
Karachi uses PKT at UTC+05:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -0h 30m offset from Sri Lanka.
What is the best time to call Karachi from Sri Lanka?
Call between 9:30 AM and 5:00 PM IST — that maps to 9:00 AM–4:30 PM PKT and keeps both parties inside the working day.
Which is behind, Sri Lanka or Karachi?
Sri Lanka is 30 minutes behind Karachi. When it is 12:00 PM in Sri Lanka it is 11:30 AM in Karachi.
Do Sri Lanka and Karachi use different time zones?
Sri Lanka (Sri Lanka) uses IST at UTC+05:30, while Karachi (Pakistan) uses PKT at UTC+05:00. The IANA identifiers are Asia/Colombo and Asia/Karachi.
Does daylight saving time affect the Sri Lanka–Karachi difference?
Neither zone observes daylight saving time, so the -0h 30m offset between Sri Lanka and Karachi is fixed all year.
Which other cities share Sri Lanka's time zone?
IST also covers Mumbai, Delhi, Bangalore, Kolkata, Chennai, Hyderabad, Pune, Ahmedabad and 4 more.
Which countries use IST, Sri Lanka's zone?
IST is used in India, Sri Lanka.
Is there a day difference between Sri Lanka and Karachi?
Not normally. The -0h 30m gap only pushes the date over the previous day.
What is the time difference between Sri Lanka and Karachi?
Karachi is -0h 30m from Sri Lanka.
What timezone is Sri Lanka in?
Sri Lanka operates on its local timezone.
What timezone is Karachi in?
Karachi operates on Pakistan Standard Time (PKT), UTC+5. As Pakistan's financial hub and largest port city, Karachi time drives South Asian commerce.
What are the business hours in Karachi?
Standard business hours in Karachi are 9:00 AM - 5:00 PM PKT.
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 PKT timezone?
Major cities in the PKT timezone include Karachi, Lahore, Islamabad, Rawalpindi, Faisalabad, Peshawar.
What is the UTC offset for PKT?
Pakistan Standard Time (PKT) is at UTC+05:00.
What should I know about the PKT timezone?
Pakistan does not observe daylight saving time. Karachi is one of the world's most populous cities.
When is it midnight in Sri Lanka, what time is it in Karachi?
When it is 12:00 AM (midnight) in Sri Lanka (IST), it is -0h 30m later in Karachi (PKT).
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