When the world meets at work.
Read the day in both zones.
If it's this in Sydney, it's that in Kolkata.
When it's 8:00 am in Sydney, it's 2:30 am in Kolkata — late night there, the same day.
When it's 10:00 am in Sydney, it's 4:30 am in Kolkata — late night there, the same day.
When it's 12:00 pm in Sydney, it's 6:30 am in Kolkata — morning there, the same day.
When it's 3:00 pm in Sydney, it's 9:30 am in Kolkata — late morning there, the same day.
When it's 5:00 pm in Sydney, it's 11:30 am in Kolkata — late morning there, the same day.
When it's 9:00 pm in Sydney, it's 3:30 pm in Kolkata — afternoon there, the same day.
Crossing the border. Money, language, plugs.
Money changes hands at the border: Sydney uses the AUD ($) and Kolkata uses the INR (₹). Conversations can stay in English, which is official in both countries. Cars drive on the left in both, so rentals feel familiar.
- Country
- Australia
- Capital
- Canberra
- Currency
- Australian dollar (AUD · $)
- Language
- English
- Calling code
- +61
- Drives on
- Left
- Country
- India
- Capital
- New Delhi
- Currency
- Indian rupee (INR · ₹)
- Language
- English, Hindi, Tamil
- Calling code
- +91
- Drives on
- Left
Quick answers. Before you book the call.
What's the time difference between Sydney and Kolkata?
Sydney is 5.5 hours behind Kolkata. Sydney runs on GMT+11 and Kolkata on GMT+5:30. The gap can shift by an hour when either side enters or leaves daylight saving — the live clocks above always reflect the current offset.
When it's 10 am in Sydney, what time is it in Kolkata?
10:00 am in Sydney is 4:30 am in Kolkata on the same day — late night there. The same shift applies to any hour; the quick-conversion cards and the 24-hour table above cover the full day.
When it's 3 pm in Sydney, what time is it in Kolkata?
3:00 pm in Sydney is 9:30 am in Kolkata on the same day — late morning there. The same shift applies to any hour; the quick-conversion cards and the 24-hour table above cover the full day.
When's the best time to schedule a meeting?
There are 2 hours where both cities are inside a 09:00–17:00 workday. Aim for the middle of that window so neither side is starting or closing out.
Does daylight saving time change the difference?
Yes, if either city observes DST. When one side shifts and the other doesn't, the gap changes by one hour. The DST badges under each clock show whether each zone is currently shifted and when the next transition lands.
How far is Sydney from Kolkata?
About 9,138 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 11h 15m, not counting airport time, winds, or routing around restricted airspace.
Can I send this meeting time as a calendar invite?
Yes. Pick a time on the slider above, open the meeting card, customize the title and duration, then download the .ics file. It imports cleanly into Google Calendar, Outlook, and Apple Calendar with the correct timezone attached.
What currency do Sydney and Kolkata use?
Sydney uses the Australian dollar (AUD, $); Kolkata uses the Indian rupee (INR, ₹). Check the live rate before transferring money or paying with a card abroad — most banks add a 1–3 % FX margin on top of the mid-market rate.
How do I call Sydney from Kolkata?
Dial the international prefix used by your carrier (often 00), then +61, then the local number — drop any leading zero of the city or mobile code. For free calls, WhatsApp, Signal, and FaceTime work over Wi-Fi regardless of country code.
What language is spoken in Sydney and Kolkata?
Both Australia and India count English among their official languages, so business meetings often skip translation. Sydney also has no other official tongue; Kolkata adds Hindi, Tamil.
Do Sydney and Kolkata drive on the same side of the road?
Yes — both drive on the left. Rental cars feel identical between the two.