Find the exact time difference between any two cities or countries worldwide
Sydney (Australia) vs London (UK)
| Sydney (Australia) | London (UK) |
|---|---|
| 12:00 AM | 03:00 PM (Fri) |
| 02:00 AM | 05:00 PM (Fri) |
| 04:00 AM | 07:00 PM (Fri) |
| 06:00 AM | 09:00 PM (Fri) |
| 08:00 AM | 11:00 PM (Fri) |
| 10:00 AM | 01:00 AM |
| 12:00 PM | 03:00 AM |
| 02:00 PM | 05:00 AM |
| 04:00 PM | 07:00 AM |
| 06:00 PM NOW | 09:00 AM |
| 08:00 PM | 11:00 AM |
| 10:00 PM | 01:00 PM |
Finding the time difference between two cities requires knowing the UTC offset of each location. The difference is the gap between those two offsets. For example, Pakistan Standard Time (PKT) is UTC+5, and New York Eastern Standard Time is UTC-5 — so Pakistan is 10 hours ahead of New York in winter, and 9 hours ahead in summer when New York observes Daylight Saving Time.
Pakistan (UTC+5) is 5 hours ahead of London in summer (BST, UTC+1) and 5 hours ahead in winter (GMT, UTC+0). Pakistan does not change clocks, so the difference stays consistent. When it is 9:00 AM in London, it is 2:00 PM in Karachi — every day of the year.
The gap between Pakistan and the US depends on the US city. New York (EST/EDT) is 10 hours behind Karachi in winter, 9 hours in summer. Los Angeles (PST/PDT) is 13 hours behind in winter, 12 in summer. Chicago (CST/CDT) is 11 hours behind in winter, 10 in summer.
Dubai (GST, UTC+4) is exactly 1 hour behind Karachi (PKT, UTC+5) all year — neither country observes DST. When it is 12:00 noon in Dubai, it is 1:00 PM in Karachi.
India (IST, UTC+5:30) is exactly 30 minutes ahead of Pakistan (PKT, UTC+5). When it is 12:00 noon in Karachi, it is 12:30 PM in Mumbai or Delhi.
Countries that observe Daylight Saving Time (DST) shift their clocks forward by one hour in spring, changing their UTC offset by +1. This alters the difference with countries that don't use DST — like Pakistan, India, UAE, China, and Japan. Always verify the current offset when scheduling international meetings.