Boston
Exact time synced with atomic clocks (IANA + NTP)
Wednesday, May 20, 2026
United States · America/New_York · EDT
Boston and Chicago Time Difference
Boston is 1h ahead of Chicago
Chicago
Exact time synced with atomic clocks (IANA + NTP)
Wednesday, May 20, 2026
United States · America/Chicago · CDT
Best time for work calls
If you are scheduling a call between Boston and Chicago, the overlap window is limited to typical business hours. When it is 10 am in Boston it is 9 am in Chicago — a workable window for scheduling. The latest reasonable overlap is around 5 pm in Boston (4 pm in Chicago). Outside this window there is effectively no good overlap for regular office hours.
Best time for family calls
Boston and Chicago have a comfortable window for a family call — no awkward alarms required. Boston is 1 hour ahead of Chicago, which gives you 4 hours of genuine overlap when both sides are free. Aim for between 6 pm and 10 pm in Boston — that lands at 5 pm to 9 pm in Chicago, after the school run and before anyone's ready for bed. For a Sunday catch-up or a midweek check-in, this is the sweet spot.
Boston
Memorial Day
May 25in 5dJuneteenth National Independence Day
Jun 19in 30dIndependence Day
Jul 3in 44d
Daylight Cycle
🌅 Dawn4:46:39 AM
☀️ Sunrise5:19:23 AM
🌞 Solar Noon12:42:11 PM
🌇 Golden Hour7:24:08 PM
🌆 Sunset8:04:59 PM
🌃 Dusk8:37:44 PM
Day length14:45:36
Data via sunrisesunset.io
Current Weather
Condition🌙 Mainly clear
Temperature24°C
Feels like22°C
Humidity47%
Wind10 mph W
Data via Open-Meteo · Updates every 30 min
Moon Phase
Phase🌒 Waxing Crescent
Illumination24%
CycleWaxing
Moon age4.8 days
Moonrise09:52
Moonset00:33
Chicago
Memorial Day
May 25in 5dJuneteenth National Independence Day
Jun 19in 30dIndependence Day
Jul 3in 44d
Daylight Cycle
🌅 Dawn4:51:51 AM
☀️ Sunrise5:24:25 AM
🌞 Solar Noon12:48:29 PM
🌇 Golden Hour7:31:55 PM
🌆 Sunset8:12:33 PM
🌃 Dusk8:45:06 PM
Day length14:48:07
Data via sunrisesunset.io
Current Weather
Condition🌙 Clear sky
Temperature9°C
Feels like6°C
Humidity69%
Wind10 mph N
Data via Open-Meteo · Updates every 30 min
Moon Phase
Phase🌒 Waxing Crescent
Illumination24%
CycleWaxing
Moon age4.8 days
Moonrise10:03
Moonset00:40