Most of the year, Mumbai is 10 hours 30 min ahead of Chicago. During Jan 1–Mar 7, Nov 1–Dec 31, Mumbai is 11 hours 30 min ahead of Chicago.
| Chicago | Mumbai Most of the year | Mumbai Jan 1–Mar 7, Nov 1–Dec 31 |
|---|---|---|
| 12 AM | 10:30 AM | 11:30 AM |
| 1 AM | 11:30 AM | 12:30 PM |
| 2 AM | 12:30 PM | 1:30 PM |
| 3 AM | 1:30 PM | 2:30 PM |
| 4 AM | 2:30 PM | 3:30 PM |
| 5 AM | 3:30 PM | 4:30 PM |
| 6 AM | 4:30 PM | 5:30 PM |
| 7 AM | 5:30 PM | 6:30 PM |
| 8 AM | 6:30 PM | 7:30 PM |
| 9 AM | 7:30 PM | 8:30 PM |
| 10 AM | 8:30 PM | 9:30 PM |
| 11 AM | 9:30 PM | 10:30 PM |
| 12 PM | 10:30 PM | 11:30 PM |
| 1 PM | 11:30 PM | 12:30 AMnext day |
| 2 PM | 12:30 AMnext day | 1:30 AMnext day |
| 3 PM | 1:30 AMnext day | 2:30 AMnext day |
| 4 PM | 2:30 AMnext day | 3:30 AMnext day |
| 5 PM | 3:30 AMnext day | 4:30 AMnext day |
| 6 PM | 4:30 AMnext day | 5:30 AMnext day |
| 7 PM | 5:30 AMnext day | 6:30 AMnext day |
| 8 PM | 6:30 AMnext day | 7:30 AMnext day |
| 9 PM | 7:30 AMnext day | 8:30 AMnext day |
| 10 PM | 8:30 AMnext day | 9:30 AMnext day |
| 11 PM | 9:30 AMnext day | 10:30 AMnext day |
Chicago observes daylight saving time from Mar 8, 2026 to Nov 1, 2026, when clocks move forward one hour.
Mumbai does not observe daylight saving time (DST), so its offset stays the same all year.
Most of the year, Mumbai is 10 hours 30 min ahead of Chicago. During Jan 1–Mar 7, Nov 1–Dec 31, Mumbai is 11 hours 30 min ahead of Chicago.
Chicago observes daylight saving time from Mar 8, 2026 to Nov 1, 2026, when clocks move forward one hour. Mumbai does not observe daylight saving time (DST), so its offset stays the same all year.
Most of the year: The best compromise is at Chicago 7 AM–11 AM (Mumbai 5:30 PM–9:30 PM); Chicago 9 PM–10 PM (Mumbai 7:30 AM (next day)–8:30 AM). Jan 1–Mar 7, Nov 1–Dec 31: The best compromise is at Chicago 7 AM–10 AM (Mumbai 6:30 PM–9:30 PM); Chicago 8 PM–10 PM (Mumbai 7:30 AM (next day)–9:30 AM).