Ottawa
Exact time synced with atomic clocks (IANA + NTP)
Sunday, June 28, 2026
Canada · America/Toronto · EDT
Ottawa and Chicago Time Difference
Ottawa is 1h ahead of Chicago
Chicago
Exact time synced with atomic clocks (IANA + NTP)
Sunday, June 28, 2026
United States · America/Chicago · CDT
Best time for work calls
If you are scheduling a call between Ottawa and Chicago, the overlap window is limited to typical business hours. When it is 10 am in Ottawa it is 9 am in Chicago — a workable window for scheduling. The latest reasonable overlap is around 5 pm in Ottawa (4 pm in Chicago). Outside this window there is effectively no good overlap for regular office hours.
Best time for family calls
Ottawa and Chicago have a comfortable window for a family call — no awkward alarms required. Ottawa 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 Ottawa — 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.
Ottawa
Canada Day
Jul 1in 3dOrangemen's Day
Jul 12in 14dCivic Holiday
Aug 3in 36d
Daylight Cycle
🌅 Dawn4:40:07 AM
☀️ Sunrise5:17:54 AM
🌞 Solar Noon1:07:13 PM
🌇 Golden Hour8:10:55 PM
🌆 Sunset8:56:32 PM
🌃 Dusk9:34:19 PM
Day length15:38:38
Data via sunrisesunset.io
Current Weather
Condition—
Temperature—
Feels like—
Humidity—
Wind—
Data via Open-Meteo · Updates every 30 min
Moon Phase
Phase🌕 Full Moon
Illumination99%
CycleWaxing
Moon age13.9 days
Moonrise20:28
Moonset04:26
Chicago
Independence Day
Jul 3in 5dLabour Day
Sep 7in 71dColumbus Day
Oct 12in 106d
Daylight Cycle
🌅 Dawn4:44:38 AM
☀️ Sunrise5:18:54 AM
🌞 Solar Noon12:54:57 PM
🌇 Golden Hour7:48:48 PM
🌆 Sunset8:30:59 PM
🌃 Dusk9:05:16 PM
Day length15:12:05
Data via sunrisesunset.io
Current Weather
Condition—
Temperature—
Feels like—
Humidity—
Wind—
Data via Open-Meteo · Updates every 30 min
Moon Phase
Phase🌕 Full Moon
Illumination99%
CycleWaxing
Moon age13.9 days
Moonrise19:59
Moonset04:33