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Time Difference: Hong Kong to Kolkata

🇨🇳Hong KongUTC+8
vs
🇮🇳KolkataUTC+5:30
🇨🇳
Hong Kong, China
Tue, Jul 14
🇮🇳
Kolkata, India
Tue, Jul 14

Click a time to convert

Time Difference
2 hours 30 minutes
Kolkata is 2 hours 30 minutes behind Hong Kong
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🇨🇳
Hong Kong
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🇮🇳
Kolkata
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Hong Kong vs Kolkata timezone guide

Hong Kong (China) uses the Asia/Hong_Kong timezone at UTC+8, while Kolkata (India) uses Asia/Kolkata at UTC+5:30. This means Kolkata is 2 hours 30 minutes behind Hong Kong (based on standard offsets — the live difference above accounts for daylight saving time).

Best meeting times between Hong Kong and Kolkata

Standard 9-to-5 working hours overlap by 5.5 hours per day. The shared window is 11:30am–5pm in Hong Kong, which is 9am–2:30pm in Kolkata. Schedule recurring meetings inside that window and both teams stay inside standard working hours.

Hour-by-hour planner

Hong KongKolkataStatus
6am3:30amHong Kong early, Kolkata asleep
7am4:30amHong Kong early, Kolkata asleep
8am5:30amHong Kong early, Kolkata asleep
9am6:30amOne side outside 9-to-5 but still awake
10am7:30amOne side outside 9-to-5 but still awake
11am8:30amOne side outside 9-to-5 but still awake
12pm9:30amBoth at work — ideal meeting time
1pm10:30amBoth at work — ideal meeting time
2pm11:30amBoth at work — ideal meeting time
3pm12:30pmBoth at work — ideal meeting time
4pm1:30pmBoth at work — ideal meeting time
5pm2:30pmOne side outside 9-to-5 but still awake
6pm3:30pmOne side outside 9-to-5 but still awake
7pm4:30pmOne side outside 9-to-5 but still awake
8pm5:30pmHong Kong evening, Kolkata evening
9pm6:30pmHong Kong evening, Kolkata evening
10pm7:30pmHong Kong late evening, Kolkata evening

Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.

Daylight saving time between Hong Kong and Kolkata

Neither Hong Kong nor Kolkata observes daylight saving time. The time difference between them stays at 2h 30m ahead all year — recurring meetings only need to be scheduled once.

Distance between Hong Kong and Kolkata

Great-circle distance
2,649 km
Direct flight time
~4h 7m

Hong Kong and Kolkata are 2,649 km apart along the great-circle route. A direct flight takes roughly ~4h 7m, depending on aircraft type, winds, and routing.

More comparisons

Hong Kong to New YorkHong Kong to LondonHong Kong to TokyoHong Kong to SydneyKolkata to New YorkKolkata to LondonKolkata to TokyoKolkata to Sydney

Frequently asked questions

What is the time difference between Hong Kong and Kolkata?
The current time difference is 2 hours 30 minutes. Hong Kong is currently 2 hours 30 minutes ahead of Kolkata.
Is Hong Kong ahead of Kolkata?
Yes. Hong Kong is currently 2 hours 30 minutes ahead of Kolkata.
What time is it in Kolkata when it's 9 AM in Hong Kong?
When it's 9 AM in Hong Kong, it's 6:30am in Kolkata.
When is the best time to schedule a meeting between Hong Kong and Kolkata?
The best window is 11:30am–5pm in Hong Kong, which is 9am–2:30pm in Kolkata. That's 5.5 hours where both teams are inside standard 9-to-5 working hours.
Do Hong Kong and Kolkata observe daylight saving time?
Neither Hong Kong nor Kolkata observes daylight saving time. The difference between them stays constant year-round.
How far apart are Hong Kong and Kolkata?
Hong Kong and Kolkata are 2,649 km apart along the great-circle route. A direct flight takes roughly 4 hours 7 minutes.