The best time to call Lanzhou from New York is 7 AM–9 AM your time (New York). Lanzhou, China is 12 hours behind New York, USA. There is no standard business hours overlap, so one party will need to adjust their schedule.
Call between 7 AM–9 AM New York time.
New York and Lanzhou have no overlapping standard business hours. One party will need to adjust.
The best time to call Lanzhou from New York is 7 AM–9 AM New York time. There is no standard business hours overlap between these cities.
Lanzhou is 12 hours behind New York.
Avoid calling after 10 AM your time (it's late night there). Consider email or async communication for non-urgent matters.
No, New York and Lanzhou do not have overlapping standard business hours (9 AM – 5 PM). You will need to schedule calls outside normal hours for one party.
No business hours overlap. You'll need to call outside standard hours — 7 AM–9 AM your time is the least disruptive window.
Both in business hours Both awake One outside comfort zone Sleeping hours
No standard business hours overlap (9 AM – 5 PM) between New York and Lanzhou.
One party will need to adjust their schedule for calls.
| New York (EDT) | Lanzhou (GMT+8) | Status |
|---|---|---|
| 7 AM | 7 PM | 🟡 They're awake |
| 8 AM | 8 PM | 🟡 They're awake |
| 9 AM | 9 PM | 🟡 They're awake |
| 10 AM | 10 PM | 🔴 They're sleeping |
| 11 AM | 11 PM | 🔴 They're sleeping |
| 12 PM | 12 AM | 🔴 They're sleeping |
| 1 PM | 1 AM | 🔴 They're sleeping |
| 2 PM | 2 AM | 🔴 They're sleeping |
| 3 PM | 3 AM | 🔴 They're sleeping |
| 4 PM | 4 AM | 🔴 They're sleeping |
| 5 PM | 5 AM | 🔴 They're sleeping |
| 6 PM | 6 AM | 🔴 They're sleeping |
| 7 PM | 7 AM | 🟡 They're awake |
| 8 PM | 8 AM | 🟡 They're awake |
| 9 PM | 9 AM | 🟡 They're awake |