HKT to IST Time Converter

Convert Hong Kong Time (HKT) to India Standard Time (IST). Both time zones are shown live below; current offset between them is 2h 30m behind.

Hong Kong · Hong Kong Time
12:58:24
Tuesday, May 12, 2026
GMT+8 · UTC+08:00
Mumbai · India Standard Time
10:28:24
Tuesday, May 12, 2026
GMT+5:30 · UTC+05:30

Convert a specific time

From: HKT (Hong Kong)
To: IST (Mumbai)
--:--

Daylight Saving status right now

HKT (Hong Kong Time)
Observes DST
No
IST (India Standard Time)
Observes DST
No

When can HKT and IST meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
HKT
IST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Hong Kong (HKT). Each row shows the local working-hours state in that zone for the same moment in time.
5 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 12:00–16:00 HKT (09:30–13:30 IST).

Hour-by-hour HKT to IST conversion table

HKT time (Hong Kong)IST time (Mumbai)Status
00:00 Tue21:30 MonOff-hours both sides
01:00 Tue22:30 MonOff-hours both sides
02:00 Tue23:30 MonOff-hours both sides
03:00 Tue00:30 TueOff-hours both sides
04:00 Tue01:30 TueOff-hours both sides
05:00 Tue02:30 TueOff-hours both sides
06:00 Tue03:30 TueOff-hours both sides
07:00 Tue04:30 TueOff-hours both sides
08:00 Tue05:30 TueOff-hours both sides
09:00 Tue06:30 TueHKT working
10:00 Tue07:30 TueHKT working
11:00 Tue08:30 TueHKT working
12:00 Tue09:30 TueBoth at work
13:00 Tue10:30 TueBoth at work
14:00 Tue11:30 TueBoth at work
15:00 Tue12:30 TueBoth at work
16:00 Tue13:30 TueBoth at work
17:00 Tue14:30 TueIST working
18:00 Tue15:30 TueIST working
19:00 Tue16:30 TueIST working
20:00 Tue17:30 TueOff-hours both sides
21:00 Tue18:30 TueOff-hours both sides
22:00 Tue19:30 TueOff-hours both sides
23:00 Tue20:30 TueOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Hong Kong Time (HKT)
IANA identifier
Asia/Hong_Kong
Current UTC offset
UTC+08:00
Current abbreviation
GMT+8
Major cities in this zone
Hong Kong
India Standard Time (IST)
IANA identifier
Asia/Kolkata
Current UTC offset
UTC+05:30
Current abbreviation
GMT+5:30
Major cities in this zone
MumbaiNew DelhiBangaloreChennaiKolkata

Sun today in Hong Kong and Mumbai

Hong Kong
Sunrise
05:46
Sunset
18:55
Solar noon
12:21
Daylight
13h 9m
Mumbai
Sunrise
06:06
Sunset
19:05
Solar noon
12:36
Daylight
12h 59m

Related converters

IST to HKT (reverse)HKT to ESTHKT to PSTHKT to GMTHKT to UTCHKT to CETEST to ISTPST to ISTGMT to ISTUTC to ISTCET to IST
Looking for local time? See time in Hong Kong or time in Mumbai.

Frequently asked questions

What is the time difference between HKT and IST right now?+
IST (India Standard Time) is currently 2h 30m behind HKT (Hong Kong Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does HKT or IST observe daylight saving time?+
HKT: does not observe daylight saving time. IST: does not observe daylight saving time.
When is the best time to schedule a meeting between HKT and IST?+
The strongest overlap is 12:00–16:00 HKT (09:30–13:30 IST), giving 5 hours when both sides are within standard 9am-5pm working hours.
What time is it in Mumbai when it is 12:00 noon in Hong Kong?+
When it is 12:00 Tue in Hong Kong (HKT), it is 09:30 Tue in Mumbai (IST).
Which IANA time zone identifiers are used for HKT and IST?+
HKT maps to "Asia/Hong_Kong" in the IANA database. IST maps to "Asia/Kolkata". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Hong Kong ahead of or behind Mumbai?+
Whether Hong Kong (HKT) is ahead of or behind Mumbai (IST) depends on the current UTC offsets. Right now IST is 2h 30m behind HKT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for HKT and IST?+
HKT is UTC+08:00 (GMT+8) and IST is UTC+05:30 (GMT+5:30). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both HKT and IST?+
Yes. There are 5 hours of overlap during standard 9am-5pm working hours, with the strongest window at 12:00–16:00 HKT.