The time difference between Chicago and Phnom Penh is 13 hours. When it is 12:00 noon in Chicago, it is 01:00 in Phnom Penh. Chicago uses the America/Chicago time zone (UTC-6), while Phnom Penh uses Asia/Phnom_Penh (UTC+7).
| Detail | Chicago | Phnom Penh |
|---|---|---|
| Time Zone ID | America/Chicago | Asia/Phnom_Penh |
| UTC Offset | UTC-6 | UTC+7 |
| Abbreviation | CST | +07 |
| DST Active | No | No |
| Country | United States | Cambodia |
| Region | North America | Asia |
With a 13 hours gap, there is no standard business-hours overlap between Chicago and Phnom Penh. One party will need to adjust their schedule. Early mornings in Phnom Penh or late evenings in Chicago tend to be the most practical compromise.
Use this table to quickly convert any hour from Chicago time to Phnom Penh time. Rows highlighted in green indicate overlapping business hours in both cities.
| Chicago | Phnom Penh | |
|---|---|---|
| 00:00 | 13:00 | Night |
| 01:00 | 14:00 | Night |
| 02:00 | 15:00 | Night |
| 03:00 | 16:00 | Night |
| 04:00 | 17:00 | Night |
| 05:00 | 18:00 | Night |
| 06:00 | 19:00 | |
| 07:00 | 20:00 | |
| 08:00 | 21:00 | |
| 09:00 | 22:00 | |
| 10:00 | 23:00 | |
| 11:00 | 00:00 (+1 day) | |
| 12:00 | 01:00 (+1 day) | |
| 13:00 | 02:00 (+1 day) | |
| 14:00 | 03:00 (+1 day) | |
| 15:00 | 04:00 (+1 day) | |
| 16:00 | 05:00 (+1 day) | |
| 17:00 | 06:00 (+1 day) | |
| 18:00 | 07:00 (+1 day) | |
| 19:00 | 08:00 (+1 day) | |
| 20:00 | 09:00 (+1 day) | |
| 21:00 | 10:00 (+1 day) | |
| 22:00 | 11:00 (+1 day) | Night |
| 23:00 | 12:00 (+1 day) | Night |
Neither Chicago nor Phnom Penh is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.
The time difference is 13 hours. Phnom Penh is 13 hours ahead of Chicago.
It can. If either Chicago or Phnom Penh observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).
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 13 hours to Chicago time to get Phnom Penh 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.