Live Synchronized Time Difference
LondontoKarachiTime Difference
🇬🇧
London
United Kingdom (GMT)15:10:17UTC+0:00
🇵🇰
Karachi
Pakistan (GMT+5)20:10:17UTC+5:00
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 London and Karachi
Off-Peak Calling Window
London Time
9:00 AM – 12:00 PM
Karachi Time
2:00 PM – 5:00 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 London and Karachi.
Work (9am-5pm)ShoulderSleep / Off
| London Time (United Kingdom) | Karachi Time (Pakistan) | Status & Recommendation |
|---|---|---|
| 00:00AM | 05:00AM | ⚪ Outside Work Hours |
| 01:00AM | 06:00AM | ⚪ Outside Work Hours |
| 02:00AM | 07:00AM | ⚪ Outside Work Hours |
| 03:00AM | 08:00AM | ⚪ Outside Work Hours |
| 04:00AM | 09:00AM | ⚪ Outside Work Hours |
| 05:00AM | 10:00AM | ⚪ Outside Work Hours |
| 06:00AM | 11:00AM | ⚪ Outside Work Hours |
| 07:00AM | 12:00PM | ⚪ Outside Work Hours |
| 08:00AM | 13:00PM | ⚪ Outside Work Hours |
| 09:00AM | 14:00PM | 🟢 Ideal Meeting Window |
| 10:00AM | 15:00PM | 🟢 Ideal Meeting Window |
| 11:00AM | 16:00PM | 🟢 Ideal Meeting Window |
| 12:00PM | 17:00PM | 🟡 Feasible (Shoulder Hour) |
| 13:00PM | 18:00PM | 🟡 Feasible (Shoulder Hour) |
| 14:00PM | 19:00PM | 🟡 Feasible (Shoulder Hour) |
| 15:00PM | 20:00PM | 🟡 Feasible (Shoulder Hour) |
| 16:00PM | 21:00PM | ⚪ Outside Work Hours |
| 17:00PM | 22:00PM | ⚪ Outside Work Hours |
| 18:00PM | 23:00PM | ⚪ Outside Work Hours |
| 19:00PM | 00:00AM | ⚪ Outside Work Hours |
| 20:00PM | 01:00AM | ⚪ Outside Work Hours |
| 21:00PM | 02:00AM | ⚪ Outside Work Hours |
| 22:00PM | 03:00AM | ⚪ Outside Work Hours |
| 23:00PM | 04:00AM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between London and Karachi?
Karachi is 5 hours ahead of London.
What is the best time to schedule a cross-border meeting between London and Karachi?
There are 3 overlapping standard business hours (09:00 - 17:00) between London and Karachi. The optimal window is when both parties are in their core working shifts.
Does daylight saving time (DST) affect the time difference between London and Karachi?
Yes. If either United Kingdom or Pakistan observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.