Chicago to Port Jefferson Time Converter
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Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
7:00 am07:00 CDT (UTC-5), Oct 17, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 17, 2026
Chicago is 1 hour behind Port Jefferson.
How the time difference changes
Normally, Chicago is 1 hour behind Port Jefferson. Briefly around seasonal clock changes, Chicago and Port Jefferson have the same time or Chicago is 2 hours behind Port Jefferson.
Typically, working hours of 9:00 am to 6:00 pm in Chicago correspond to 10:00 am to 7:00 pm in Port Jefferson.Typically, working hours of 09:00 to 18:00 in Chicago correspond to 10:00 to 19:00 in Port Jefferson.
Compare Chicago time with Port Jefferson time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
CDT (Central Daylight Time) is 1 hour behind EDT (Eastern Daylight Time).
7:00 am07:00 in Chicago, IL, USA is 8:00 am08:00 in Port Jefferson, NY, USA
Chicago to Port Jefferson call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in Chicago which corresponds to 10am-6pm10:00-18:00 in Port Jefferson
7:00 am07:00 CDT (Central Daylight Time) (Chicago, IL, USA). Offset UTC -5:00 hours
8:00 am08:00 EDT (Eastern Daylight Time) (Port Jefferson, NY, USA). Offset UTC -4:00 hours
7:00 am07:00 Chicago, IL, USA / 8:00 am08:00 Port Jefferson, NY, 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.
| Chicago, IL, USA | Port Jefferson, NY, USA |
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| 00:00 next day |
Chicago Time Zone and Facts
Time Zone
CST – Central Standard Time, UTC-6 (standard time)
Chicago Facts
Port Jefferson Time Zone and Facts
Time Zone
EST – Eastern Standard Time, UTC-5 (standard time)