SYDNEY to CDT Time Converter
SYDNEY (Sydney) → Central Daylight Time
SYDNEY (Sydney) ↔ CDT (Chicago)
No overlap — one side will join outside working hours
Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.
SYDNEY (Sydney) → Central Daylight Time
No overlap — one side will join outside working hours
Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.
Sydney is 15 hours ahead of CDT (Chicago). When it's noon in Sydney, it's 21:00 in CDT (Chicago).
Sydney is in the Australia/Sydney timezone. CDT (Chicago) is in America/Chicago. The difference is 15 hours.
Sydney and CDT (Chicago) have no shared working hours under a standard 9:00–17:00 schedule. One side will always need to join at an off-hour.
Since Sydney and CDT (Chicago) don't share working hours, these are the most practical options available.
⚠️ 2h before working hours in Sydney
⚠️ 2h after working hours in Chicago
⚠️ 3h before working hours in Sydney
Based on standard 09:00–17:00 working hours in each location's local time.
⚡ Upcoming holidays in both locations, confirm with your contact before booking.
Working across Sydney (Australia) and CDT (Chicago) (USA) is a challenge — the 15-hour difference means no shared business hours window under a standard schedule. Flexibility from at least one side is required.
💡 Practical scheduling guidelines
When Sydney is at 07:00, CDT (Chicago) reads 16:00 — 2h before working hours in Sydney.
When Sydney is at 09:00, CDT (Chicago) reads 18:00 — 2h after working hours in Chicago.
When Sydney is at 06:00, CDT (Chicago) reads 15:00 — 3h before working hours in Sydney.
With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.
DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.
Get the Extension — Free →Use the time slider above to find the exact equivalent time for any moment in Sydney. The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.