San Juan to Chicago time converter
Chicago is 1 hour ahead of San Juan. When it is 9:00 AM in San Juan, it is 10:00 AM in Chicago.
4:38 PM in San Juan, Wednesday, October 21, 2026
San Juan to Chicago conversion table
Every hour of today in San Juan and the matching time in Chicago. Light rows are typical working hours (9:00–18:00).
| San Juan | 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 Juan (10:00 AM – 6:00 PM in Chicago).
Daylight saving time and the difference
The difference changes during the year because San Juan 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 Juan and Chicago are 3,563 km (2,214 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between San Juan and Chicago?
Chicago is 1 hour ahead of San Juan.
What time is it in Chicago when it is 9 AM in San Juan?
When it is 9:00 AM in San Juan, it is 10:00 AM in Chicago.
When is the best time to call Chicago from San Juan?
Both sides are at work from 9:00 AM – 5:00 PM in San Juan (10:00 AM – 6:00 PM in Chicago).
Does the time difference between San Juan 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.