Live clocks for the four main US time zones, and the hours US offices are open in your own city's time.
US business hours of 9 a.m. to 5 p.m., shown in each city's local time, calculated on October 29, 2026. When clocks change in the US or your country, these shift by an hour; the live tool above always uses today's date.
| Your city | New York (Eastern) | Los Angeles (Pacific) |
|---|---|---|
| London | 13:00–21:00 | 16:00–00:00 (next day) |
| Dublin | 13:00–21:00 | 16:00–00:00 (next day) |
| Lisbon | 13:00–21:00 | 16:00–00:00 (next day) |
| Paris | 14:00–22:00 | 17:00–01:00 (next day) |
| Berlin | 14:00–22:00 | 17:00–01:00 (next day) |
| Madrid | 14:00–22:00 | 17:00–01:00 (next day) |
| Istanbul | 16:00–00:00 (next day) | 19:00–03:00 (next day) |
| Cairo | 16:00–23:00 | 19:00–03:00 (next day) |
| Lagos | 14:00–22:00 | 17:00–01:00 (next day) |
| Nairobi | 16:00–00:00 (next day) | 19:00–03:00 (next day) |
| Johannesburg | 15:00–23:00 | 18:00–02:00 (next day) |
| Dubai | 17:00–01:00 (next day) | 20:00–04:00 (next day) |
| Riyadh | 16:00–00:00 (next day) | 19:00–03:00 (next day) |
| Doha | 16:00–00:00 (next day) | 19:00–03:00 (next day) |
| Beirut | 15:00–23:00 | 18:00–02:00 (next day) |
| Karachi | 18:00–02:00 (next day) | 21:00–05:00 (next day) |
| Mumbai / Delhi | 18:30–02:30 (next day) | 21:30–05:30 (next day) |
| Dhaka | 19:00–03:00 (next day) | 22:00–06:00 (next day) |
| Bangkok | 20:00–04:00 (next day) | 23:00–07:00 (next day) |
| Manila | 21:00–05:00 (next day) | 00:00–08:00 |
| Singapore | 21:00–05:00 (next day) | 00:00–08:00 |
| Tokyo | 22:00–06:00 (next day) | 01:00–09:00 |
| Sydney | 00:00–08:00 | 03:00–11:00 |
| Mexico City | 07:00–15:00 | 10:00–18:00 |
| São Paulo | 10:00–18:00 | 13:00–21:00 |
| Toronto | 09:00–17:00 | 12:00–20:00 |
The US moves its clocks forward on the second Sunday in March and back on the first Sunday in November. Europe changes on the last Sundays of March and October. Many countries in the Middle East and Asia do not change at all. So for a few weeks each year, the gap to New York is one hour smaller or larger than usual. Read the best time to call US clients for the exact dates.
If you work across these hours, a US number with voicemail lets US callers reach you when you are offline.
The mainland US uses four main time zones: Eastern (New York), Central (Chicago), Mountain (Denver) and Pacific (Los Angeles). Pacific is 3 hours behind Eastern. Most US offices work about 9 a.m. to 5 p.m. local time. Clocks change on different dates from Europe, so the gap shifts for a few weeks each spring and autumn.
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