The time difference between Shanghai and Las Vegas is 15 hours. When it is 12:00 noon in Shanghai, it is 21:00 in Las Vegas. Shanghai uses the Asia/Shanghai time zone (UTC+8), while Las Vegas uses America/Los_Angeles (UTC-7).
With a 15 hours gap, there is no standard business-hours overlap between Shanghai and Las Vegas. One party will need to adjust their schedule. Early mornings in Shanghai or late evenings in Las Vegas tend to be the most practical compromise.
Use this table to quickly convert any hour from Shanghai time to Las Vegas time. Rows highlighted in green indicate overlapping business hours in both cities.
| Shanghai | Las Vegas | |
|---|---|---|
| 00:00 | 09:00 (-1 day) | Night |
| 01:00 | 10:00 (-1 day) | Night |
| 02:00 | 11:00 (-1 day) | Night |
| 03:00 | 12:00 (-1 day) | Night |
| 04:00 | 13:00 (-1 day) | Night |
| 05:00 | 14:00 (-1 day) | Night |
| 06:00 | 15:00 (-1 day) | |
| 07:00 | 16:00 (-1 day) | |
| 08:00 | 17:00 (-1 day) | |
| 09:00 | 18:00 (-1 day) | |
| 10:00 | 19:00 (-1 day) | |
| 11:00 | 20:00 (-1 day) | |
| 12:00 | 21:00 (-1 day) | |
| 13:00 | 22:00 (-1 day) | |
| 14:00 | 23:00 (-1 day) | |
| 15:00 | 00:00 | |
| 16:00 | 01:00 | |
| 17:00 | 02:00 | |
| 18:00 | 03:00 | |
| 19:00 | 04:00 | |
| 20:00 | 05:00 | |
| 21:00 | 06:00 | |
| 22:00 | 07:00 | Night |
| 23:00 | 08:00 | Night |
Las Vegas is currently observing daylight saving time, while Shanghai is on standard time. When Las Vegas switches back to standard time, the difference between these two cities will shift by 1 hour.
The time difference is 15 hours. Las Vegas is 15 hours behind Shanghai.
Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.
There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.
Subtract 15 hours from Shanghai time to get Las Vegas time. Use the hour-by-hour table above for a quick reference.
For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.