Exact Time Difference: Sydney to Colombo
Time in Sydney is 4 hours 30 minutes ahead
Sydney ↔ Colombo
3h of business hours overlap daily (09:00–17:00)· Showing core hours (08:00–18:00)
Sydney
Colombo
Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.
Quick time conversions: Sydney → Colombo
Common reference points to help you plan across the time difference.
At 5:00 PM Sydney time, you're looking at 12:30 PM in Colombo.
If it's 4:00 PM where I am in Sydney, what does Colombo show?—11:30 AM
10:00 AMin Sydney→5:30 AMin Colombo
A 7:00 AM start in Sydney means 2:30 AM for your contact in Colombo.
12:00 PMin Sydney→7:30 AMin Colombo
Sydney 2:00 PM — what's that in Colombo?—9:30 AM
3:00 PMin Sydney→10:30 AMin Colombo
Frequently Asked Questions
What is the Sydney to Colombo time difference?
Sydney is 4 hours 30 minutes ahead of Colombo. Sydney uses Australia/Sydney and Colombo uses Asia/Colombo.
When are both Sydney and Colombo in working hours simultaneously?
Sydney and Colombo share 3.5 hours of business hours overlap daily. Aim for 14:00 Sydney / 09:00 Colombo for best availability.
Do I need to worry about DST when scheduling between Sydney and Colombo?
The 4 hours 30 minutes difference between Sydney and Colombo is stable — no DST changes expected in the next 7 days.
If it's noon in Sydney, what time is it in Colombo?
12:00 PM Sydney time = 7:30 AM in Colombo.
What is the easiest way to convert between Sydney and Colombo time zones?
The slider is the fastest method — move it to any Sydney hour and watch Colombo update live. The text bar also accepts natural language input.
Are there public holidays that might interrupt meetings between Sydney and Colombo?
Picnic Day falls on August 3 in Sydney. If you have meetings around that date, confirm availability in advance.
What are the official time zones for Sydney and Colombo?
Sydney follows Australia/Sydney. Colombo uses Asia/Colombo. Together they are 4 hours 30 minutes apart.
9 AM Sydney time converts to what in Colombo?
9:00 AM in Sydney = 4:30 AM in Colombo. That falls outside standard hours in Colombo — confirm with your contact.
What are the UTC offsets for Sydney and Colombo?
Both Sydney (Australia/Sydney) and Colombo (Asia/Colombo) have defined UTC offsets. The gap between those offsets is 4 hours 30 minutes.