Karachi to Sri Lanka
+0h 30mKarachi
PKTSOURCESri Lanka
ISTGreen rows indicate typical business hours (9 AM - 5 PM)
PKT and IST on the World Map
The map below highlights the PKT (Pakistan Standard Time) and IST (India Standard Time) timezone regions across the globe.
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).
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.
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.
Karachi to Sri Lanka Time Difference – Complete Guide
Karachi runs on Pakistan Standard Time (PKT) at UTC+05:00. Sri Lanka runs on India Standard Time (IST) at UTC+05:30. That puts Karachi 30 minutes ahead of Sri Lanka — a difference of +0h 30m at the current offsets.
In practice, when it is 9:00 AM in Karachi it is 9:30 AM in Sri Lanka. Midnight in Karachi is 12:30 AM in Sri Lanka. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Karachi to Sri Lanka time conversion table
| Karachi (PKT) | Sri Lanka (IST) | Day |
|---|---|---|
| 12:00 AM | 12:30 AM | same day |
| 6:00 AM | 6:30 AM | same day |
| 7:00 AM | 7:30 AM | same day |
| 8:00 AM | 8:30 AM | same day |
| 9:00 AM | 9:30 AM | same day |
| 12:00 PM | 12:30 PM | same day |
| 3:00 PM | 3:30 PM | same day |
| 5:00 PM | 5:30 PM | same day |
| 6:00 PM | 6:30 PM | same day |
| 9:00 PM | 9:30 PM | same day |
Why people convert Karachi to Sri Lanka time
- Scheduling a call from Karachi to Sri Lanka: a 10:00 AM start in Karachi lands at 10:30 AM in Sri Lanka, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Karachi and Sri Lanka are inside the 9-to-5 working day between 9:00 AM and 4:30 PM PKT time (9:30 AM–5:00 PM IST). That is roughly 7 hours 30 minutes of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in Karachi is 8:30 PM in Sri Lanka makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM PKT" is unambiguous; "3 PM" across a +0h 30m gap is not.
- Block 9:00 AM–4:30 PM PKT as the recurring meeting window if you work primarily from Karachi and need Sri Lanka colleagues present.
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.
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 Karachi and Sri Lanka
Both Karachi and Sri Lanka sit inside the 9 AM – 5 PM working day between 9:00 AM–4:30 PM PKT, which is 9:30 AM–5:00 PM IST. That gives roughly 7 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
Karachi and Sri Lanka share 7 hours of working-hours overlap (9:00 AM–4:30 PM PKT), so scheduling a live meeting is straightforward.
Karachi is 30 minutes ahead of Sri Lanka (PKT UTC+05:00 → IST UTC+05:30). The shared working window is 9:00 AM–4:30 PM PKT. 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 Karachi and Sri Lanka?
Karachi (PKT, UTC+05:00) is 30 minutes ahead of Sri Lanka (IST, UTC+05:30). The gap is currently +0h 30m.
How do I convert Karachi time to Sri Lanka time?
Add +0h 30m to Karachi local time. For example, 9:00 AM in Karachi is 9:30 AM 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 +0h 30m offset from Karachi.
What is the best time to call Sri Lanka from Karachi?
Call between 9:00 AM and 4:30 PM PKT — that maps to 9:30 AM–5:00 PM IST and keeps both parties inside the working day.
Which is ahead, Karachi or Sri Lanka?
Karachi is 30 minutes ahead of Sri Lanka. When it is 12:00 PM in Karachi it is 12:30 PM in Sri Lanka.
Do Karachi and Sri Lanka use different time zones?
Karachi (Pakistan) uses PKT at UTC+05:00, while Sri Lanka (Sri Lanka) uses IST at UTC+05:30. The IANA identifiers are Asia/Karachi and Asia/Colombo.
Does daylight saving time affect the Karachi–Sri Lanka difference?
Neither zone observes daylight saving time, so the +0h 30m offset between Karachi and Sri Lanka is fixed all year.
Which other cities share Karachi's time zone?
PKT also covers Karachi, Lahore, Islamabad, Rawalpindi, Faisalabad, Peshawar.
Which countries use PKT, Karachi's zone?
PKT is used in Pakistan.
Is there a day difference between Karachi and Sri Lanka?
Not normally. The +0h 30m gap only pushes the date over for late-evening times.
What is the time difference between Karachi and Sri Lanka?
Sri Lanka is +0h 30m from Karachi.
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 timezone is Sri Lanka in?
Sri Lanka operates on its local timezone.
What are the business hours in Karachi?
Standard business hours in Karachi are 9:00 AM - 5:00 PM PKT.
Which countries use PKT (Pakistan Standard Time)?
PKT is used in Pakistan.
Does PKT observe daylight saving time?
No, PKT does not observe daylight saving time and remains at UTC+05:00 year-round.
What are some interesting facts about PKT?
Pakistan does not observe daylight saving time. Karachi is one of the world's most populous cities.
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 Karachi, what time is it in Sri Lanka?
When it is 12:00 AM (midnight) in Karachi (PKT), it is +0h 30m later in Sri Lanka (IST).
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