Offset
The time difference between Chicago and Frankfurt am Main is 7 hours.
Chicago (CDT) is behind Frankfurt am Main (CEST).
CDT: UTC-5
CEST: UTC+2
Both zones are currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–10 AM in Chicago (4 PM–5 PM in Frankfurt am Main).
Both teams are in working hours during this window on weekdays.
Suggested time: 9:00 AM Chicago (4:00 PM Frankfurt am Main).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
United States
- New Year's DayThu, Jan 1
- Martin Luther King, Jr. DayMon, Jan 19
- Presidents DayMon, Feb 16
- Memorial DayMon, May 25
- Juneteenth National Independence DayFri, Jun 19
- Independence DayFri, Jul 3
- Labour DayMon, Sep 7
- Columbus DayMon, Oct 12
- Veterans DayWed, Nov 11
- Thanksgiving DayThu, Nov 26
- Christmas DayFri, Dec 25
Germany
- New Year's DayThu, Jan 1
- Good FridayFri, Apr 3
- Easter MondayMon, Apr 6
- Labour DayFri, May 1
- Ascension DayThu, May 14
- Whit MondayMon, May 25
- German Unity DaySat, Oct 3
- Christmas DayFri, Dec 25
- St. Stephen's DaySat, Dec 26
About these zones
Chicago uses Central Time (CST, or CDT). To call United States, dial +1.
Frankfurt am Main uses Central European Time (CET, or CEST). To call Germany, dial +49.
Frankfurt am Main is approximately 4,350 miles northeast of Chicago.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Chicago | Frankfurt am Main | Day |
|---|---|---|
| 12:00 am | 7:00 am | Same day |
| 1:00 am | 8:00 am | Same day |
| 2:00 am | 9:00 am | Same day |
| 3:00 am | 10:00 am | Same day |
| 4:00 am | 11:00 am | Same day |
| 5:00 am | 12:00 pm | Same day |
| 6:00 am | 1:00 pm | Same day |
| 7:00 am | 2:00 pm | Same day |
| 8:00 am | 3:00 pm | Same day |
| 9:00 am | 4:00 pm | Same day |
| 10:00 am | 5:00 pm | Same day |
| 11:00 am | 6:00 pm | Same day |
| 12:00 pm | 7:00 pm | Same day |
| 1:00 pm | 8:00 pm | Same day |
| 2:00 pm | 9:00 pm | Same day |
| 3:00 pm | 10:00 pm | Same day |
| 4:00 pm | 11:00 pm | Same day |
| 5:00 pm | 12:00 am | +1 day |
| 6:00 pm | 1:00 am | +1 day |
| 7:00 pm | 2:00 am | +1 day |
| 8:00 pm | 3:00 am | +1 day |
| 9:00 pm | 4:00 am | +1 day |
| 10:00 pm | 5:00 am | +1 day |
| 11:00 pm | 6:00 am | +1 day |
Daylight saving time
Both zones observe daylight saving time, but they transition on different dates.
Chicago: next transition on Sunday, November 1, 2026.
Frankfurt am Main: next transition on Sunday, October 25, 2026.
For approximately 7 days between transitions, the offset between Chicago and Frankfurt am Main differs from its typical value. Recurring meetings during this window will shift by one hour.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:18 AM
- Sunset
- 8:22 PM
- Day length
- 15h 4m
- Sunrise
- 5:19 AM
- Sunset
- 9:30 PM
- Day length
- 16h 11m
Cities in these zones
Other cities in Central Time
Other cities in Central European Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Central Time
- GYY
- MDW
- ORD
- HOU
- IAH
- SAT
- DAL
- DFW
- AUS
- BNA
Airports in Central European Time
- BER
- HAM
- LBC
- MUC
- CGN
- DUS
- FRA
- STR
Related conversions
Common conversions
- What is 9:00 am Chicago in Frankfurt am Main?
- 9:00 am Chicago is 4:00 pm Frankfurt am Main.
- What is 12:00 pm Chicago in Frankfurt am Main?
- 12:00 pm Chicago is 7:00 pm Frankfurt am Main.
- What is 12:30 pm Chicago in Frankfurt am Main?
- 12:30 pm Chicago is 7:30 pm Frankfurt am Main.
- What is 2:00 pm Chicago in Frankfurt am Main?
- 2:00 pm Chicago is 9:00 pm Frankfurt am Main.
- What is 5:00 pm Chicago in Frankfurt am Main?
- 5:00 pm Chicago is 12:00 am Frankfurt am Main, the next day.
- What is 11:30 pm Chicago in Frankfurt am Main?
- 11:30 pm Chicago is 6:30 am Frankfurt am Main, the next day.