| Chicago Sassenberg | Central European Time | -07:00 |
| Chicago Algiers | South Africa Standard Time | -08:00 |
| Chicago Bijainagar | India Standard Time | -11:30 |
| Chicago Algoma | Central Time | 00:00 |
| Chicago Sassnitz | Central European Time | -07:00 |
| Chicago Albisola Superiore | Central European Time | -07:00 |
| Chicago Barvaux-sur-Ourthe | Central European Time | -07:00 |
| Chicago Albert Park | Eastern Australia Time | -17:00 |
| Chicago Sauda | Central European Time | -07:00 |
| Chicago Alcanar | Central European Time | -07:00 |
| Chicago Barua P | India Standard Time | -11:30 |
| Chicago Alconaba | Central European Time | -07:00 |
| Chicago Saugatuck | Eastern Time | -01:00 |
| Chicago Alcochete | Western European Time | -06:00 |
| Chicago Basaurhi | India Standard Time | -11:30 |
| Chicago Alba Adriatica | Central European Time | -07:00 |
| Chicago Saugeen Shores | Eastern Time | -01:00 |
| Chicago Alaró | Central European Time | -07:00 |
| Chicago Saugeen Shores | Eastern Time | -01:00 |
| Chicago Alavandipuram | India Standard Time | -11:30 |
| Chicago Saugerties | Eastern Time | -01:00 |
| Chicago Alaska | Atlantic Time | -02:00 |
| Chicago Satna | India Standard Time | -11:30 |
| Chicago Alaska | Central Time | 00:00 |
| Chicago Sausalito | Pacific Time | 02:00 |
| Chicago Alaska | Eastern Time | -01:00 |
| Chicago Sault Ste. Marie | Eastern Time | -01:00 |
| Chicago Alata | Central European Time | -07:00 |
| Chicago Savar Kundla | India Standard Time | -11:30 |
| Chicago Alappuzha | India Standard Time | -11:30 |
| Chicago Sawantwadi | India Standard Time | -11:30 |
| Chicago Alamarathupatti | India Standard Time | -11:30 |
| Chicago Sawari Jawharnagar | India Standard Time | -11:30 |
| Chicago Sawtell | Eastern Australia Time | -17:00 |
| Chicago Sawyer | Eastern Time | -01:00 |
| Chicago Saxapahaw | Eastern Time | -01:00 |
| Chicago Saxonburg | Eastern Time | -01:00 |
| Chicago Sayalonga | Central European Time | -07:00 |