Chicago
Exact time synced with atomic clocks (IANA + NTP)
Wednesday, May 20, 2026
United States Β· America/Chicago Β· CDT
Chicago and Sydney Time Difference
Chicago is 15h behind Sydney
Sydney
Exact time synced with atomic clocks (IANA + NTP)
Thursday, May 21, 2026
Australia Β· Australia/Sydney Β· GMT+10
Best time for work calls
If you are scheduling a call between Chicago and Sydney, there is very limited or no overlap in normal business hours. Consider early-morning or late-evening calls for one side, or use async communication.
Best time for family calls
Chicago and Sydney have a comfortable window for a family call β no awkward alarms required. Chicago is 15 hours behind Sydney, which gives you 4 hours of genuine overlap when both sides are free. Aim for between 6 pm and 10 pm in Chicago β that lands at 9 am to 1 pm in Sydney, 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.
Chicago
Memorial Day
May 25in 5dJuneteenth National Independence Day
Jun 19in 30dIndependence Day
Jul 3in 44d
Daylight Cycle
π
Dawn4:51:51 AM
βοΈ Sunrise5:24:25 AM
π Solar Noon12:48:29 PM
π Golden Hour7:31:55 PM
π Sunset8:12:33 PM
π Dusk8:45:06 PM
Day length14:48:07
Data via sunrisesunset.io
Current Weather
Conditionπ Clear sky
Temperature9Β°C
Feels like6Β°C
Humidity69%
Wind10 mph N
Data via Open-Meteo Β· Updates every 30 min
Moon Phase
Phaseπ Waxing Crescent
Illumination24%
CycleWaxing
Moon age4.8 days
Moonrise10:03
Moonset00:40
Sydney
Reconciliation Day
Jun 1in 12dWestern Australia Day
Jun 1in 12dKing's Birthday
Jun 8in 19d
Daylight Cycle
π
Dawn6:17:47 AM
βοΈ Sunrise6:44:36 AM
π Solar Noon11:53:09 AM
π Golden Hour4:24:57 PM
π Sunset5:01:41 PM
π Dusk5:28:30 PM
Day length10:17:04
Data via sunrisesunset.io
Current Weather
Conditionπ€οΈ Mainly clear
Temperature17Β°C
Feels like15Β°C
Humidity66%
Wind13 mph S
Data via Open-Meteo Β· Updates every 30 min
Moon Phase
Phaseπ Waxing Crescent
Illumination24%
CycleWaxing
Moon age4.8 days
Moonrise11:09
Moonset21:22