Kolkata to Sydney Time Converter
Sydney is +4h 30m ahead of Kolkata
Quick converter
Search any two cities
FROM
Kolkata
India
UTC+05:30
TO
Sydney
Australia
UTC+10:00
Date-aware conversion
Convert a specific date and time
Result
Thu, May 28, 2026 15:05
Kolkata: Thursday, May 28, 2026 10:35 AM GMT+5:30 to Sydney: Thursday, May 28, 2026 3:05 PM GMT+10.
Sydney is 4h 30m ahead of Kolkata on this date
24-Hour Comparison
Every hour in Kolkata and the corresponding time in Sydney. Green rows indicate business hours in Sydney.
Time zones
Kolkata uses Asia/Kolkata (GMT+5:30) and Sydney uses Australia/Sydney (GMT+10). 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 Sydney. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
Best time for Kolkata and Sydney
The easiest overlap starts around 9:00 AM and runs through 1:00 PM in the source city, while the destination city is also inside normal working hours. 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 Kolkata
Kolkata is located in India (Asia). It uses the Asia/Kolkata timezone with a standard offset of UTC+05:30. It does not observe Daylight Saving Time. See the full Kolkata time page for live clock and planning details.
About Sydney
Sydney is located in Australia (Oceania). It uses the Australia/Sydney timezone with a standard offset of UTC+10:00. It observes DST, switching between AEST and AEDT. See the full Sydney time page for live clock and planning details.
Frequently Asked Questions
People also check