Meeting planners for popular city pairs
Time differences, shared working hours and clock-change dates for the city pairs our visitors schedule most, calculated for the next 12 months. Need other cities? Use the full Meeting Planner.
New York ↔ LondonLondon is 5 hours ahead of New York for most of the year, so the shared 9-to-5 window is 9:00 a.New York ↔ Los AngelesLos Angeles is 3 hours behind New York all year, because both change their clocks on the same dates.Chicago ↔ LondonLondon is 6 hours ahead of Chicago for most of the year, which leaves just 9:00–11:00 a.Los Angeles ↔ LondonLondon is 8 hours ahead of Los Angeles for most of the year, so a 9-to-5 day in one city ends exactly as the other begins.London ↔ SydneySydney is 11 hours ahead of London in the northern winter and 9 hours ahead in the northern summer, with 10-hour weeks in between.New York ↔ SydneySydney is 14 to 16 hours ahead of New York, so it is already tomorrow there.
WHY DIFFERENCES CHANGE
Clock changes do not line up.
The US, UK and Australia change their clocks on different dates, so time differences shift for a few weeks each year.
Clock changes in the next 12 months
| Place | Clocks go back | Clocks go forward |
|---|---|---|
| United States & Canada (most areas) | Sun 7 Nov 2027 | Sun 14 Mar 2027 |
| United Kingdom | Sun 31 Oct 2027 | Sun 28 Mar 2027 |
| Sydney (NSW) | Sun 4 Apr 2027 | Sun 3 Oct 2027 |