Live Synchronized Time Difference
KarachitoLondonTime Difference
🇵🇰
Karachi
Pakistan (GMT+5)20:11:40UTC+5:00
🇬🇧
London
United Kingdom (GMT)15:11:40UTC+0:00
Direct Distance6,308 km (3,920 miles)
Estimated Flight Time~7.9 hours
Business Overlap3 overlapping hours (9am–5pm)
Mutual Working Window: 3 Overlapping Hours
Recommended calling window between Karachi and London
Off-Peak Calling Window
Karachi Time
2:00 PM – 5:00 PM
London Time
9:00 AM – 12:00 PM
Both locations share 3 overlapping standard business hours (9:00 AM – 5:00 PM). This is the premier window for real-time video conferences, corporate calls, and instant collaboration without outside-hours disruption.
24-Hour Schedule Conversion Matrix
Compare every hour of the day between Karachi and London.
Work (9am-5pm)ShoulderSleep / Off
| Karachi Time (Pakistan) | London Time (United Kingdom) | Status & Recommendation |
|---|---|---|
| 00:00AM | 19:00PM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 20:00PM-1 day | ⚪ Outside Work Hours |
| 02:00AM | 21:00PM-1 day | ⚪ Outside Work Hours |
| 03:00AM | 22:00PM-1 day | ⚪ Outside Work Hours |
| 04:00AM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 05:00AM | 00:00AM | ⚪ Outside Work Hours |
| 06:00AM | 01:00AM | ⚪ Outside Work Hours |
| 07:00AM | 02:00AM | ⚪ Outside Work Hours |
| 08:00AM | 03:00AM | ⚪ Outside Work Hours |
| 09:00AM | 04:00AM | ⚪ Outside Work Hours |
| 10:00AM | 05:00AM | ⚪ Outside Work Hours |
| 11:00AM | 06:00AM | ⚪ Outside Work Hours |
| 12:00PM | 07:00AM | 🟡 Feasible (Shoulder Hour) |
| 13:00PM | 08:00AM | 🟡 Feasible (Shoulder Hour) |
| 14:00PM | 09:00AM | 🟢 Ideal Meeting Window |
| 15:00PM | 10:00AM | 🟢 Ideal Meeting Window |
| 16:00PM | 11:00AM | 🟢 Ideal Meeting Window |
| 17:00PM | 12:00PM | ⚪ Outside Work Hours |
| 18:00PM | 13:00PM | ⚪ Outside Work Hours |
| 19:00PM | 14:00PM | ⚪ Outside Work Hours |
| 20:00PM | 15:00PM | ⚪ Outside Work Hours |
| 21:00PM | 16:00PM | ⚪ Outside Work Hours |
| 22:00PM | 17:00PM | ⚪ Outside Work Hours |
| 23:00PM | 18:00PM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between Karachi and London?
London is 5 hours behind Karachi.
What is the best time to schedule a cross-border meeting between Karachi and London?
There are 3 overlapping standard business hours (09:00 - 17:00) between Karachi and London. The optimal window is when both parties are in their core working shifts.
Does daylight saving time (DST) affect the time difference between Karachi and London?
Yes. If either Pakistan or United Kingdom observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.