Boston Seaport to Chicago Time Converter

Updating current time…
Boston Seaport
Massachusetts, USAEDT
UTC−4
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Boston Seaport's clocks go back 1 hour on Sun, Nov 1 · EDT → EST
Chicago
Illinois, USACDT
UTC−5
1h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Chicago's clocks go back 1 hour on Sun, Nov 1 · CDT → CST

Quick answers

Selected conversion

8:00 am08:00 EDT (UTC-4), Oct 27, 2026 = 7:00 am07:00 CDT (UTC-5), Oct 27, 2026

Boston Seaport is 1 hour ahead of Chicago.

How the time difference changes

Normally, Boston Seaport is 1 hour ahead of Chicago. Briefly around seasonal clock changes, Boston Seaport is 2 hours ahead of Chicago or Boston Seaport and Chicago have the same time.

Typically, working hours of 9:00 am to 6:00 pm in Boston Seaport correspond to 8:00 am to 5:00 pm in Chicago.Typically, working hours of 09:00 to 18:00 in Boston Seaport correspond to 08:00 to 17:00 in Chicago.

Compare Boston Seaport time with Chicago time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

EDT (Eastern Daylight Time) is 1 hour ahead of CDT (Central Daylight Time).
8:00 am08:00 in Boston Seaport, MA, USA is 7:00 am07:00 in Chicago, IL, USA

Boston Seaport to Chicago call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in Boston Seaport which corresponds to 9am-5pm09:00-17:00 in Chicago

8:00 am08:00 EDT (Eastern Daylight Time) (Boston Seaport, MA, USA). Offset UTC -4:00 hours
7:00 am07:00 CDT (Central Daylight Time) (Chicago, IL, USA). Offset UTC -5:00 hours

8:00 am08:00 Boston Seaport, MA, USA / 7:00 am07:00 Chicago, IL, USA

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
Boston Seaport, MA, USAChicago, IL, USA
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Boston Seaport Time Zone and Facts

Time Zone

Abbreviation / Offset
EDT – Eastern Daylight Time, UTC-4 (now, daylight saving time)
EST – Eastern Standard Time, UTC-5 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00: clocks go back 1 hour to 1:00 am01:00 (EST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (EDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.
Clock Changes
USA daylight saving time · Clock changes worldwide

Boston Seaport Facts

Country
USA
State
Massachusetts
Population
3,680
Currency
Dollar (USD)
Geographic Coordinates
42° 20' N Latitude / 71° 02' W Longitude
International Dialing Code
+1
More About Boston Seaport
Boston Seaport local time and city facts

Chicago Time Zone and Facts

Time Zone

Abbreviation / Offset
CDT – Central Daylight Time, UTC-5 (now, daylight saving time)
CST – Central Standard Time, UTC-6 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00: clocks go back 1 hour to 1:00 am01:00 (CST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (CDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.
Clock Changes
USA daylight saving time · Clock changes worldwide

Chicago Facts

Country
USA
State
Illinois
Alternative Names
CHI, Cekaga, Chi-ka-ko, Chi-kâ-kô, Chicago, Chicagu, Chikago, Chykaga, Cikaga, Cikago, Cikaqo, E-Chicago, Kikako, Shikago, Sicagum, Sikago, The Windy City, Tsikago, Windy City, chikhako, cikago, cikako, shikago, shkagw, shykaghw, shykagw, shykajw, shyqgw, sikago, sikkagea, syqgw, zhi jia ge, Çikago, Çikaqo, Ĉikago, Čikaga, Čikago, Čikāga, Čėkaga, Şikago, Σικάγο, Чикаго, Чикаґо, Чыкага, Չիկագո, שיקאגא, שיקגו, شيكاجو, شيكاغو, شکاگو, شیکاگو, شیکاگۆ, ܫܝܩܓܘ, शिकागो, শিকাগো, ਸ਼ਿਕਾਗੋ, சிகாகோ, చికాగో, ಶಿಕಾಗೊ, ഷിക്കാഗോ, ชิคาโก, ရှီကာဂိုမြို့, ჩიკაგო, ሺካጎ, ᓰᖄᑯ, Ṣìkágò, シカゴ, 芝加哥, 시카고, 𐍃𐌾𐌹𐌺𐌰𐌲𐍉
Population
2,664,452
Currency
Dollar (USD)
Geographic Coordinates
41° 51' N Latitude / 87° 39' W Longitude
International Dialing Code
+1
More About Chicago
Chicago time now