Sao Tome and Principe to Chicago time converter
Chicago is 5 hours behind Sao Tome and Principe. When it is 9:00 AM in Sao Tome and Principe, it is 4:00 AM in Chicago.
Sao Tome and Principe UTC+0
Thursday, October 22, 2026
Chicago CDT
Wednesday, October 21, 2026
12:11 AM in Sao Tome and Principe, Thursday, October 22, 2026
Sao Tome and Principe to Chicago conversion table
Every hour of today in Sao Tome and Principe and the matching time in Chicago. Light rows are typical working hours (9:00–18:00).
| Sao Tome and Principe | Chicago |
|---|---|
| 12:00 AM | 7:00 PM−1 day |
| 1:00 AM | 8:00 PM−1 day |
| 2:00 AM | 9:00 PM−1 day |
| 3:00 AM | 10:00 PM−1 day |
| 4:00 AM | 11:00 PM−1 day |
| 5:00 AM | 12:00 AM |
| 6:00 AM | 1:00 AM |
| 7:00 AM | 2:00 AM |
| 8:00 AM | 3:00 AM |
| 9:00 AM | 4:00 AM |
| 10:00 AM | 5:00 AM |
| 11:00 AM | 6:00 AM |
| 12:00 PM | 7:00 AM |
| 1:00 PM | 8:00 AM |
| 2:00 PM | 9:00 AM |
| 3:00 PM | 10:00 AM |
| 4:00 PM | 11:00 AM |
| 5:00 PM | 12:00 PM |
| 6:00 PM | 1:00 PM |
| 7:00 PM | 2:00 PM |
| 8:00 PM | 3:00 PM |
| 9:00 PM | 4:00 PM |
| 10:00 PM | 5:00 PM |
| 11:00 PM | 6:00 PM |
Best time to call or meet
Both sides are at work from 2:00 PM – 6:00 PM in Sao Tome and Principe (9:00 AM – 1:00 PM in Chicago).
Daylight saving time and the difference
The difference changes during the year because Sao Tome and Principe and Chicago switch clocks on different dates:
- Oct 22, 2026 – Nov 1, 2026: -5h
- Nov 1, 2026 – Mar 14, 2027: -6h
- Mar 14, 2027 – Oct 22, 2027: -5h
More conversions
Questions and answers
What is the time difference between Sao Tome and Principe and Chicago?
Chicago is 5 hours behind Sao Tome and Principe.
What time is it in Chicago when it is 9 AM in Sao Tome and Principe?
When it is 9:00 AM in Sao Tome and Principe, it is 4:00 AM in Chicago.
When is the best time to call Chicago from Sao Tome and Principe?
Both sides are at work from 2:00 PM – 6:00 PM in Sao Tome and Principe (9:00 AM – 1:00 PM in Chicago).
Does the time difference between Sao Tome and Principe 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.