Live Synchronized Time Difference
SydneytoChennaiTime Difference
🇦🇺
Sydney
Australia (GMT+11)02:10:18UTC+11:00
🇮🇳
Chennai
India (GMT+5:30)20:40:18UTC+5:30
Direct Distance9,126 km (5,671 miles)
Estimated Flight Time~11.2 hours
Business Overlap2 overlapping hours (9am–5pm)
Mutual Working Window: 2 Overlapping Hours
Recommended calling window between Sydney and Chennai
Off-Peak Calling Window
Sydney Time
3:00 PM – 5:00 PM
Chennai Time
9:00 AM – 11:00 AM
Both locations share 2 overlapping standard business hours (9:00 AM – 5:00 PM). This is the premier window for real-time video conferences, corporate calls, and instant collaboration without outside-hours disruption.
24-Hour Schedule Conversion Matrix
Compare every hour of the day between Sydney and Chennai.
Work (9am-5pm)ShoulderSleep / Off
| Sydney Time (Australia) | Chennai Time (India) | Status & Recommendation |
|---|---|---|
| 00:00AM | 18:00PM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 19:00PM-1 day | ⚪ Outside Work Hours |
| 02:00AM | 20:00PM-1 day | ⚪ Outside Work Hours |
| 03:00AM | 21:00PM-1 day | ⚪ Outside Work Hours |
| 04:00AM | 22:00PM-1 day | ⚪ Outside Work Hours |
| 05:00AM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 06:00AM | 00:00AM | ⚪ Outside Work Hours |
| 07:00AM | 01:00AM | ⚪ Outside Work Hours |
| 08:00AM | 02:00AM | ⚪ Outside Work Hours |
| 09:00AM | 03:00AM | ⚪ Outside Work Hours |
| 10:00AM | 04:00AM | ⚪ Outside Work Hours |
| 11:00AM | 05:00AM | ⚪ Outside Work Hours |
| 12:00PM | 06:00AM | ⚪ Outside Work Hours |
| 13:00PM | 07:00AM | 🟡 Feasible (Shoulder Hour) |
| 14:00PM | 08:00AM | 🟡 Feasible (Shoulder Hour) |
| 15:00PM | 09:00AM | 🟢 Ideal Meeting Window |
| 16:00PM | 10:00AM | 🟢 Ideal Meeting Window |
| 17:00PM | 11:00AM | ⚪ Outside Work Hours |
| 18:00PM | 12:00PM | ⚪ Outside Work Hours |
| 19:00PM | 13:00PM | ⚪ Outside Work Hours |
| 20:00PM | 14:00PM | ⚪ Outside Work Hours |
| 21:00PM | 15:00PM | ⚪ Outside Work Hours |
| 22:00PM | 16:00PM | ⚪ Outside Work Hours |
| 23:00PM | 17:00PM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between Sydney and Chennai?
Chennai is 5 hours 30 minutes behind Sydney.
What is the best time to schedule a cross-border meeting between Sydney and Chennai?
There are 2 overlapping standard business hours (09:00 - 17:00) between Sydney and Chennai. The optimal window is when both parties are in their core working shifts.
Does daylight saving time (DST) affect the time difference between Sydney and Chennai?
Yes. If either Australia or India observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.