Sydney to Ottawa Time Converter
Ottawa is -15h behind Sydney
Quick converter
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FROM
Sydney
Australia
UTC+11:00
TO
Ottawa
Canada
UTC-04:00
Date-aware conversion
Convert a specific date and time
Result
Thu, Oct 15, 2026 03:25
Sydney: Thursday, October 15, 2026 6:25 PM GMT+11 to Ottawa: Thursday, October 15, 2026 3:25 AM EDT.
Ottawa is 15h behind Sydney on this date
24-Hour Comparison
Every hour in Sydney and the corresponding time in Ottawa. Green rows indicate business hours in Ottawa.
Time zones
Sydney uses Australia/Sydney (GMT+11) and Ottawa uses America/Toronto (EDT). The difference can shift during daylight saving changes, so checking the exact date matters.
Best use
Use the green rows to spot normal working hours in Ottawa. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
Best time for Sydney and Ottawa
There is no full business-hour overlap in the 24-hour table, so use a custom time or rotate meeting times for fairness. For important calls, check the meeting date because the offset can change when either location enters or leaves daylight saving time.
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City context
About these cities
About Sydney
Sydney is located in Australia (Oceania). It uses the Australia/Sydney timezone with a standard offset of UTC+11:00. It observes DST, switching between AEST and AEDT. See the full Sydney time page for live clock and planning details.
About Ottawa
Ottawa is located in Canada (North America). It uses the America/Toronto timezone with a standard offset of UTC-04:00. It observes DST, switching between EST and EDT. See the full Ottawa time page for live clock and planning details.
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