Sydney to Boston Time Converter
Boston is -15h behind Sydney
Quick converter
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FROM
Sydney
Australia
UTC+11:00
TO
Boston
United States
UTC-04:00
Date-aware conversion
Convert a specific date and time
Result
Tue, Oct 13, 2026 09:48
Sydney: Wednesday, October 14, 2026 12:48 AM GMT+11 to Boston: Tuesday, October 13, 2026 9:48 AM EDT.
Boston is 15h behind Sydney on this date
24-Hour Comparison
Every hour in Sydney and the corresponding time in Boston. Green rows indicate business hours in Boston.
Time zones
Sydney uses Australia/Sydney (GMT+11) and Boston uses America/New_York (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 Boston. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
Best time for Sydney and Boston
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.
Compare meeting hoursQuick examples
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 Boston
Boston is located in United States (North America). It uses the America/New_York timezone with a standard offset of UTC-04:00. It observes DST, switching between EST and EDT. See the full Boston time page for live clock and planning details.
Frequently Asked Questions
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