How to read it
Delhi and Sydney, side by side
Each row is one city's day, half an hour to a square, lined up by the hours along the bottom.
- 1Filled: at the desk, 9:00 to 18:00 where that city is.
- 2Grey: up early, up late, or the weekend.
- 3Outline: asleep.
- 4Red band: your slot. Read straight down to see the same moment in every city.
- 5A marks the best time for everyone; B, when there is one, the next best.
The red band is the best time to call on Wed, 21 Oct 2026: 09:00–10:00 in Delhi, which is 14:30–15:30 in Sydney.
Through the year
How the gap between Delhi and Sydney moves
Sydney is 5h 30m ahead of Delhi today. Daylight saving moves it:
- Sydney 5h 30m ahead of Delhi
- Sydney 4h 30m ahead of Delhi
- Sun, 4 Apr 2027 Sydney's clocks go back an hour. Sydney is then 4h 30m ahead of Delhi.
- Sun, 3 Oct 2027 Sydney's clocks go forward an hour. Sydney is then 5h 30m ahead of Delhi.
Hour by hour
Delhi to Sydney time, hour by hour
On a working day (Wed, 21 Oct 2026), with working hours of 9:00 to 18:00 in both cities.
- Delhi starts work 09:00 14:30 in Sydney At desk
- Sydney starts work 09:00 03:30 in Delhi Asleep
- Delhi finishes work 18:00 23:30 in Sydney Asleep
- Sydney finishes work 18:00 12:30 in Delhi At desk
Show all 24 hours
| Delhi | Sydney |
|---|---|
| 00:00 Asleep | 05:30 Asleep |
| 01:00 Asleep | 06:30 Asleep |
| 02:00 Asleep | 07:30 Early |
| 03:00 Asleep | 08:30 Early |
| 04:00 Asleep | 09:30 At desk |
| 05:00 Asleep | 10:30 At desk |
| 06:00 Asleep | 11:30 At desk |
| 07:00 Early | 12:30 At desk |
| 08:00 Early | 13:30 At desk |
| 09:00 At desk | 14:30 At desk |
| 10:00 At desk | 15:30 At desk |
| 11:00 At desk | 16:30 At desk |
| 12:00 At desk | 17:30 At desk |
| 13:00 At desk | 18:30 Late |
| 14:00 At desk | 19:30 Late |
| 15:00 At desk | 20:30 Late |
| 16:00 At desk | 21:30 Late |
| 17:00 At desk | 22:30 Asleep |
| 18:00 Late | 23:30 Asleep |
| 19:00 Late | 00:30 Thu Asleep |
| 20:00 Late | 01:30 Thu Asleep |
| 21:00 Late | 02:30 Thu Asleep |
| 22:00 Asleep | 03:30 Thu Asleep |
| 23:00 Asleep | 04:30 Thu Asleep |
Questions
Questions people ask
What is the time difference between Delhi and Sydney?
Sydney is 5h 30m ahead of Delhi (as of Wed, 21 Oct 2026). That changes on Sun, 4 Apr 2027, when Sydney's clocks go back: then Sydney is 4h 30m ahead of Delhi.
What is the best time for a call between Delhi and Sydney?
On a working day, the best time for a call is 09:00–10:00 in Delhi (14:30–15:30 in Sydney) until 3 Apr 2027 and from 3 Oct 2027, and 09:00–10:00 in Delhi (13:30–14:30 in Sydney) from 4 Apr 2027 to 2 Oct 2027.
Does Delhi change its clocks?
No. Delhi stays on UTC+5:30 all year.
Does Sydney change its clocks?
Yes. Sydney moves its clocks back an hour on Sun, 4 Apr 2027, and forward an hour on Sun, 3 Oct 2027.
More city pairs
Compare more cities
Delhi and…
- Delhi and Mumbai
- Delhi and Bengaluru
- Delhi and Dubai
- Delhi and Abu Dhabi
- Delhi and Riyadh
- Delhi and Doha
- Delhi and Singapore
- Delhi and Hong Kong
- Delhi and Tokyo
- Delhi and London
- Delhi and Paris
- Delhi and Berlin
- Delhi and Amsterdam
- Delhi and New York
- Delhi and Toronto
- Delhi and Chicago
- Delhi and Los Angeles
- Delhi and San Francisco
Sydney and…
- Sydney and Mumbai
- Sydney and Bengaluru
- Sydney and Dubai
- Sydney and Abu Dhabi
- Sydney and Riyadh
- Sydney and Doha
- Sydney and Singapore
- Sydney and Hong Kong
- Sydney and Tokyo
- Sydney and London
- Sydney and Paris
- Sydney and Berlin
- Sydney and Amsterdam
- Sydney and New York
- Sydney and Toronto
- Sydney and Chicago
- Sydney and Los Angeles
- Sydney and San Francisco
From the team behind 10:10
Running an event across time zones?
C4E has spent twenty years running conferences, dealer meets and offsites in more than 40 countries, with clients, speakers and crews in different time zones. 10:10 is one of the tools we built for our own shows. It is free, with no account and nothing upsold.