Australia
India
Sydney to Chennai Time Difference
Chennai is 5.5 hours behind Sydney
Sydney vs Chennai — At a Glance
Sydney to Chennai — Hour-by-Hour
About Sydney and Chennai
Sydney (population: 5.3M) is known for the Opera House, Harbour Bridge, Australia's financial center, and surfing culture. Chennai (population: 10.9M) is known for India's automobile hub (Detroit of India), classical music, and Marina Beach.
Business Hours Overlap
The best window for business calls between Sydney and Chennai is 9:00 AM–11.5:00 AM Sydney time (2.5:00 PM–5:00 PM in Chennai).
Calling Between Cities
When calling Chennai (+91) from Sydney (+61), be mindful of the 5.5-hour gap. The safest window is late afternoon in Sydney (4–6 PM) to reach people during waking hours.
Currency
Sydney uses AUD while Chennai uses INR. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Sydney and Chennai share English as a common language, which simplifies business communication.
Use our world clock tool to compare Sydney and Chennai visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Sydney and Chennai?
Chennai, India is 5.5 hours behind Sydney, Australia. Sydney is in the Australia/Sydney timezone (UTC+11) and Chennai is in the Asia/Kolkata timezone (UTC+5:30).
When it's noon in Sydney, what time is it in Chennai?
When it's 12:00 PM (noon) in Sydney, it's 6:30 AM in Chennai.
What is the best time to call Chennai from Sydney?
The best time to call Chennai from Sydney is during the overlapping business hours. When it's 9 AM in Sydney, it's 3:30 AM in Chennai. Aim for late morning to early afternoon in Sydney for the best chance of reaching someone during working hours.
What currency does Chennai use?
Chennai, India uses INR. Sydney uses AUD. You will need to check the current exchange rate for transactions between the two.
What language is spoken in Chennai?
The primary languages in Chennai are Tamil, English. Sydney also speaks English, making communication easier.
How do I dial Chennai from Sydney?
To call Chennai from Sydney, dial your international access code followed by +91 and the local number. Sydney uses country code +61 and Chennai uses +91.