Time zone comparison

Boston ↔ Chicago

Coordinating across meridians? Boston runs +1 hour ahead of Chicago. This page shows live clocks, a full 24-hour conversion table, and quick links to find overlapping meeting hours.

Offset: -1 hour (Boston is +1 hour ahead of Chicago.)

Boston

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Chicago

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across the meridian

24-hour conversion table

When it's midnight to midnight in Boston, here's the corresponding time in Chicago.

Boston (local hour)	Boston	Chicago
00:00	12:00 AM	11:00 PM-1 day
01:00	1:00 AM	12:00 AM
02:00	2:00 AM	1:00 AM
03:00	3:00 AM	2:00 AM
04:00	4:00 AM	3:00 AM
05:00	5:00 AM	4:00 AM
06:00	6:00 AM	5:00 AM
07:00	7:00 AM	6:00 AM
08:00	8:00 AM	7:00 AM
09:00	9:00 AM	8:00 AM
10:00	10:00 AM	9:00 AM
11:00	11:00 AM	10:00 AM
12:00	12:00 PM	11:00 AM
13:00	1:00 PM	12:00 PM
14:00	2:00 PM	1:00 PM
15:00	3:00 PM	2:00 PM
16:00	4:00 PM	3:00 PM
17:00	5:00 PM	4:00 PM
18:00	6:00 PM	5:00 PM
19:00	7:00 PM	6:00 PM
20:00	8:00 PM	7:00 PM
21:00	9:00 PM	8:00 PM
22:00	10:00 PM	9:00 PM
23:00	11:00 PM	10:00 PM

Related comparisons

Boston ↔ New York Boston ↔ Los Angeles Boston ↔ San Francisco Boston ↔ Toronto Boston ↔ Vancouver Boston ↔ Mexico City Boston ↔ São Paulo Current time in Boston Current time in Chicago

Frequently asked questions

What is the time difference between Boston and Chicago?

Boston is +1 hour ahead of Chicago.

What time is it in Chicago when it's 9:00 AM in Boston?

When it's 9:00 AM in Boston, it's 8:00 AM in Chicago.

Does Boston or Chicago observe daylight saving time?

Boston is currently on daylight saving time. Chicago is currently on daylight saving time. Offsets can shift when DST starts or ends.