Chicago to South Portland time converter
South Portland is 1 hour ahead of Chicago. When it is 9:00 AM in Chicago, it is 10:00 AM in South Portland.
Chicago CDT
Wednesday, October 21, 2026
South Portland EDT
Wednesday, October 21, 2026
1:05 PM in Chicago, Wednesday, October 21, 2026
Chicago to South Portland conversion table
Every hour of today in Chicago and the matching time in South Portland. Light rows are typical working hours (9:00–18:00).
| Chicago | South Portland |
|---|---|
| 12:00 AM | 1:00 AM |
| 1:00 AM | 2:00 AM |
| 2:00 AM | 3:00 AM |
| 3:00 AM | 4:00 AM |
| 4:00 AM | 5:00 AM |
| 5:00 AM | 6:00 AM |
| 6:00 AM | 7:00 AM |
| 7:00 AM | 8:00 AM |
| 8:00 AM | 9:00 AM |
| 9:00 AM | 10:00 AM |
| 10:00 AM | 11:00 AM |
| 11:00 AM | 12:00 PM |
| 12:00 PM | 1:00 PM |
| 1:00 PM | 2:00 PM |
| 2:00 PM | 3:00 PM |
| 3:00 PM | 4:00 PM |
| 4:00 PM | 5:00 PM |
| 5:00 PM | 6:00 PM |
| 6:00 PM | 7:00 PM |
| 7:00 PM | 8:00 PM |
| 8:00 PM | 9:00 PM |
| 9:00 PM | 10:00 PM |
| 10:00 PM | 11:00 PM |
| 11:00 PM | 12:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 5:00 PM in Chicago (10:00 AM – 6:00 PM in South Portland).
Daylight saving time and the difference
The difference changes during the year because Chicago and South Portland switch clocks on different dates:
- Oct 21, 2026 – Nov 1, 2026: +1h
- Nov 1, 2026 – Nov 1, 2026: ±0
- Nov 1, 2026 – Mar 14, 2027: +1h
- Mar 14, 2027 – Mar 14, 2027: +2h
- Mar 14, 2027 – Oct 21, 2027: +1h
Distance
Chicago and South Portland are 1,433 km (890 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Chicago and South Portland?
South Portland is 1 hour ahead of Chicago.
What time is it in South Portland when it is 9 AM in Chicago?
When it is 9:00 AM in Chicago, it is 10:00 AM in South Portland.
When is the best time to call South Portland from Chicago?
Both sides are at work from 9:00 AM – 5:00 PM in Chicago (10:00 AM – 6:00 PM in South Portland).
Does the time difference between Chicago and South Portland change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.