Does this converter handle daylight saving time?

Yes. The offset between Kolkata (India) and Hong Kong can change across the year as either zone enters or leaves DST. Pick any date in the converter and the exact offset for that date is used.

🇮🇳 Kolkata (India) to Hong Kong 🇭🇰 time converter

Convert any time from Kolkata (India) (IST) to Hong Kong (HKT), with daylight saving handled correctly for the date you choose.

Hong Kong is currently 2.5 hours ahead of Kolkata (India).

Kolkata (India): Sat, Jun 20, 2026, 11:59 PM UTC+05:30 (GMT+5:30) · Hong Kong: Sun, Jun 21, 2026, 2:29 AM UTC+08:00 (GMT+8)

Kolkata (India) 00h → 23hblue/green = 9am–6pm working hoursHong Kong local hour

Convert Kolkata (India) to Hong Kong on any date

From zone

To zone

Date & time (in “from” zone)

Get this conversion as JSON (developer API)

curl "https://tz.wrapper-agency.com/api/v1/tz?from=Asia%2FKolkata&to=Asia%2FHong_Kong&time=2008-11-04T09%3A00"

Free timezone API — no key during beta. DST-correct, IANA tz database.

Current offsets

🇮🇳 Kolkata (India)	UTC+05:30
🇭🇰 Hong Kong	UTC+08:00
Difference	+2.5h

FAQ

What time is it in Hong Kong when it's noon in Kolkata (India)?: Use the converter above — enter 12:00 on your date in Kolkata (India) and you'll get the exact Hong Kong local time, DST included.
Why does the time difference change during the year?: Kolkata (India) and Hong Kong may observe daylight saving on different schedules (or not at all), so the gap between them shifts on clock-change dates.