Time Difference Between Islamabad and London

The time difference between Islamabad and London is 4 hours. When it is 12:00 noon in Islamabad, it is 08:00 in London. Islamabad uses the Asia/Karachi time zone (UTC+5), while London uses Europe/London (UTC+1).

London is 4 hours behind Islamabad — 4 hours
Islamabad, Pakistan
05:48:56
Monday, May 11, 2026
UTC+5 · PKT
London, United Kingdom
01:48:56
Monday, May 11, 2026
UTC+1 · BST (DST)

Time Zone Details: Islamabad vs London

Detail Islamabad London
Time Zone IDAsia/KarachiEurope/London
UTC OffsetUTC+5UTC+1
AbbreviationPKTBST
DST ActiveNoYes — currently observing
CountryPakistanUnited Kingdom
RegionAsiaEurope

Best Time to Schedule a Call

There are 4 overlapping business hours between Islamabad and London (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

13:00–17:00 in Islamabad  =  09:00–13:00 in London

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Islamabad time to London time. Rows highlighted in green indicate overlapping business hours in both cities.

Islamabad London
00:00 20:00 (-1 day) Night
01:00 21:00 (-1 day) Night
02:00 22:00 (-1 day) Night
03:00 23:00 (-1 day) Night
04:00 00:00 Night
05:00 01:00 Night
06:00 02:00
07:00 03:00
08:00 04:00
09:00 05:00
10:00 06:00
11:00 07:00
12:00 08:00
13:00 09:00 Overlap
14:00 10:00 Overlap
15:00 11:00 Overlap
16:00 12:00 Overlap
17:00 13:00
18:00 14:00
19:00 15:00
20:00 16:00
21:00 17:00
22:00 18:00 Night
23:00 19:00 Night

Daylight Saving Time (DST) Impact

London is currently observing daylight saving time, while Islamabad is on standard time. When London switches back to standard time, the difference between these two cities will shift by 1 hour.

Practical Tips for Islamabad–London Scheduling

Compare Islamabad and London with Other Cities

From Islamabad

From London

Frequently Asked Questions

What is the time difference between Islamabad and London?

The time difference is 4 hours. London is 4 hours behind Islamabad.

Does the time difference change during the year?

Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.

When is the best time to call from Islamabad to London?

The best window is between 13:00 and 17:00 Islamabad time, which corresponds to 09:00–13:00 in London. Both sides fall within normal business hours.

How do I convert Islamabad time to London time?

Subtract 4 hours from Islamabad time to get London time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.