The time difference between Jacksonville and Shanghai is 12 hours. When it is 12:00 noon in Jacksonville, it is 00:00 in Shanghai. Jacksonville uses the America/New_York time zone (UTC-4), while Shanghai uses Asia/Shanghai (UTC+8).
| Detail | Jacksonville | Shanghai |
|---|---|---|
| Time Zone ID | America/New_York | Asia/Shanghai |
| UTC Offset | UTC-4 | UTC+8 |
| Abbreviation | EDT | CST |
| DST Active | Yes — currently observing | No |
| Country | United States | China |
| Region | North America | Asia |
With a 12 hours gap, there is no standard business-hours overlap between Jacksonville and Shanghai. One party will need to adjust their schedule. Early mornings in Shanghai or late evenings in Jacksonville tend to be the most practical compromise.
Use this table to quickly convert any hour from Jacksonville time to Shanghai time. Rows highlighted in green indicate overlapping business hours in both cities.
| Jacksonville | Shanghai | |
|---|---|---|
| 00:00 | 12:00 | Night |
| 01:00 | 13:00 | Night |
| 02:00 | 14:00 | Night |
| 03:00 | 15:00 | Night |
| 04:00 | 16:00 | Night |
| 05:00 | 17:00 | Night |
| 06:00 | 18:00 | |
| 07:00 | 19:00 | |
| 08:00 | 20:00 | |
| 09:00 | 21:00 | |
| 10:00 | 22:00 | |
| 11:00 | 23:00 | |
| 12:00 | 00:00 (+1 day) | |
| 13:00 | 01:00 (+1 day) | |
| 14:00 | 02:00 (+1 day) | |
| 15:00 | 03:00 (+1 day) | |
| 16:00 | 04:00 (+1 day) | |
| 17:00 | 05:00 (+1 day) | |
| 18:00 | 06:00 (+1 day) | |
| 19:00 | 07:00 (+1 day) | |
| 20:00 | 08:00 (+1 day) | |
| 21:00 | 09:00 (+1 day) | |
| 22:00 | 10:00 (+1 day) | Night |
| 23:00 | 11:00 (+1 day) | Night |
Jacksonville is currently observing daylight saving time, while Shanghai is on standard time. When Jacksonville switches back to standard time, the difference between these two cities will shift by 1 hour.
The time difference is 12 hours. Shanghai is 12 hours ahead of Jacksonville.
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.
Add 12 hours to Jacksonville time to get Shanghai 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.