Time difference
Time difference between Chicago and Phnom Penh
Find the best time to schedule a call or meeting.
Phnom Penh is currently 12 hours ahead of Chicago.
Chicago • CDT
9:45 AM
Thursday, Jun 18
Phnom Penh • GMT+7
9:45 PM
Thursday, Jun 18
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Best times to meet
Standard 9 AM – 5 PM hours in Chicago and Phnom Penh do not overlap. The least-bad options are an early start in one city or a late evening call in the other — for example a 7–8 AM meeting in Chicago, or a 6–8 PM meeting in Phnom Penh.
Quick conversion table
| Chicago | Phnom Penh |
|---|---|
| 8 AM | 8:00 PM |
| 12 PM | 12:00 AM (next day) |
| 3 PM | 3:00 AM (next day) |
| 5 PM | 5:00 AM (next day) |
| 9 PM | 9:00 AM (next day) |
Daylight saving
Heads up: the gap will widen to 13 hours around November 5, when one of the cities shifts for daylight saving. Double-check meeting times scheduled across that date.
Frequently asked questions
- How many hours ahead is Phnom Penh than Chicago?
- Phnom Penh is 12 hours ahead of Chicago.
- What time is 9 AM in Chicago in Phnom Penh?
- 9:00 AM in Chicago is 9:00 PM in Phnom Penh.
- Do Chicago and Phnom Penh observe daylight saving?
- Heads up: the gap will widen to 13 hours around November 5, when one of the cities shifts for daylight saving. Double-check meeting times scheduled across that date.
- When is the best time to call Phnom Penh from Chicago?
- Chicago and Phnom Penh business hours don't overlap. The closest options are early mornings in Chicago or late evenings, when one side stretches outside 9–5.