San Diego to Chicago time converter
Chicago is 1 hour ahead of San Diego. When it is 9:00 AM in San Diego, it is 10:00 AM in Chicago.
7:01 PM in San Diego, Wednesday, October 21, 2026
San Diego to Chicago conversion table
Every hour of today in San Diego and the matching time in Chicago. Light rows are typical working hours (9:00–18:00).
| San Diego | Chicago |
|---|---|
| 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 San Diego (10:00 AM – 6:00 PM in Chicago).
Daylight saving time and the difference
The difference changes during the year because San Diego and Chicago switch clocks on different dates:
- Oct 21, 2026 – Nov 1, 2026: +1h
- Nov 1, 2026 – Mar 14, 2027: ±0
- Mar 14, 2027 – Oct 21, 2027: +1h
Distance
San Diego and Chicago are 3,571 km (2,219 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between San Diego and Chicago?
Chicago is 1 hour ahead of San Diego.
What time is it in Chicago when it is 9 AM in San Diego?
When it is 9:00 AM in San Diego, it is 10:00 AM in Chicago.
When is the best time to call Chicago from San Diego?
Both sides are at work from 9:00 AM – 5:00 PM in San Diego (10:00 AM – 6:00 PM in Chicago).
Does the time difference between San Diego and Chicago change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.