Kolkata to Sydney Time Comparison
Plan meetings and travel between Kolkata and Sydney with live local times. All conversions use the IANA time-zone database and update automatically when either city changes for daylight saving time.
24-Hour Comparison Timeline
Green = working hours · Yellow = early/late · Red = night
24-hour reference table
| Kolkata (Kolkata) | Sydney (Sydney) |
|---|---|
| 12:00 AM | 04:30 AM |
| 01:00 AM | 05:30 AM |
| 02:00 AM | 06:30 AM |
| 03:00 AM | 07:30 AM |
| 04:00 AM | 08:30 AM |
| 05:00 AM | 09:30 AM |
| 06:00 AM | 10:30 AM |
| 07:00 AM | 11:30 AM |
| 08:00 AM | 12:30 PM |
| 09:00 AM | 01:30 PM |
| 10:00 AM | 02:30 PM |
| 11:00 AM | 03:30 PM |
| 12:00 PM | 04:30 PM |
| 01:00 PM | 05:30 PM |
| 02:00 PM | 06:30 PM |
| 03:00 PM | 07:30 PM |
| 04:00 PM | 08:30 PM |
| 05:00 PM | 09:30 PM |
| 06:00 PM | 10:30 PM |
| 07:00 PM | 11:30 PM |
| 08:00 PM | 12:30 AM(Sun, Jul 26) |
| 09:00 PM | 01:30 AM(Sun, Jul 26) |
| 10:00 PM | 02:30 AM(Sun, Jul 26) |
| 11:00 PM | 03:30 AM(Sun, Jul 26) |
Daylight saving time
Sydney observes daylight saving time; Kolkata does not. Expect a one-hour swing when Sydney starts or ends DST.
Working-hours overlap
9 AM–1 PM Kolkata (1 PM–5 PM Sydney) — the shared 9-to-5 window for meetings.
Frequently asked questions
What is the time difference between Kolkata and Sydney?+
Sydney (UTC+10:00) is currently 4 hours 30 minutes ahead of Kolkata (UTC+05:30). This page recalculates the offset live from the IANA time-zone database, including any daylight-saving transitions.
Does Kolkata or Sydney observe daylight saving time?+
Sydney observes daylight saving time; Kolkata does not, so the gap changes when Sydney springs forward or falls back. Times on this page always reflect the current local rules.
What are the best meeting hours between Kolkata and Sydney?+
Standard 9–5 working hours in Kolkata and Sydney overlap from 9 AM to 1 PM Kolkata (1 PM–5 PM Sydney). Schedule calls inside this window to keep both sides in normal business hours.
How do I quickly convert Kolkata to Sydney?+
Use the live clocks and 24-hour reference table above. Pick any hour on the Kolkata row to see the matching Sydney time. The Event Planner also lets you pick a specific date and share it with attendees.