Chicago to San Juan time converter
San Juan is 1 hour ahead of Chicago. When it is 9:00 AM in Chicago, it is 10:00 AM in San Juan.
2:40 PM in Chicago, Monday, October 19, 2026
Chicago to San Juan conversion table
Every hour of today in Chicago and the matching time in San Juan. Light rows are typical working hours (9:00–18:00).
| Chicago | San Juan |
|---|---|
| 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 San Juan).
Daylight saving time and the difference
The difference changes during the year because Chicago and San Juan switch clocks on different dates:
- Oct 19, 2026 – Nov 1, 2026: +1h
- Nov 1, 2026 – Mar 14, 2027: +2h
- Mar 14, 2027 – Oct 19, 2027: +1h
Distance
Chicago and San Juan are 3,304 km (2,053 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Chicago and San Juan?
San Juan is 1 hour ahead of Chicago.
What time is it in San Juan when it is 9 AM in Chicago?
When it is 9:00 AM in Chicago, it is 10:00 AM in San Juan.
When is the best time to call San Juan from Chicago?
Both sides are at work from 9:00 AM – 5:00 PM in Chicago (10:00 AM – 6:00 PM in San Juan).
Does the time difference between Chicago and San Juan change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.