IST to HKT Time Converter

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

Mumbai · India Standard Time
17:58:01
Monday, May 11, 2026
GMT+5:30 · UTC+05:30
Hong Kong · Hong Kong Time
20:28:01
Monday, May 11, 2026
GMT+8 · UTC+08:00

Convert a specific time

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

Daylight Saving status right now

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

When can IST and HKT 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
IST
HKT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Mumbai (IST). Each row shows the local working-hours state in that zone for the same moment in time.
6 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–14:00 IST (11:30–16:30 HKT).

Hour-by-hour IST to HKT conversion table

IST time (Mumbai)HKT time (Hong Kong)Status
00:00 Mon02:30 MonOff-hours both sides
01:00 Mon03:30 MonOff-hours both sides
02:00 Mon04:30 MonOff-hours both sides
03:00 Mon05:30 MonOff-hours both sides
04:00 Mon06:30 MonOff-hours both sides
05:00 Mon07:30 MonOff-hours both sides
06:00 Mon08:30 MonOff-hours both sides
07:00 Mon09:30 MonHKT working
08:00 Mon10:30 MonHKT working
09:00 Mon11:30 MonBoth at work
10:00 Mon12:30 MonBoth at work
11:00 Mon13:30 MonBoth at work
12:00 Mon14:30 MonBoth at work
13:00 Mon15:30 MonBoth at work
14:00 Mon16:30 MonBoth at work
15:00 Mon17:30 MonIST working
16:00 Mon18:30 MonIST working
17:00 Mon19:30 MonOff-hours both sides
18:00 Mon20:30 MonOff-hours both sides
19:00 Mon21:30 MonOff-hours both sides
20:00 Mon22:30 MonOff-hours both sides
21:00 Mon23:30 MonOff-hours both sides
22:00 Mon00:30 TueOff-hours both sides
23:00 Mon01:30 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

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
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

Sun today in Mumbai and Hong Kong

Mumbai
Sunrise
06:06
Sunset
19:05
Solar noon
12:36
Daylight
12h 58m
Hong Kong
Sunrise
05:46
Sunset
18:55
Solar noon
12:21
Daylight
13h 8m

Related converters

HKT to IST (reverse)IST to ESTIST to PSTIST to GMTIST to UTCIST to CETEST to HKTPST to HKTGMT to HKTUTC to HKTCET to HKT
Looking for local time? See time in Mumbai or time in Hong Kong.

Frequently asked questions

What is the time difference between IST and HKT right now?+
HKT (Hong Kong Time) is currently 2h 30m ahead IST (India Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does IST or HKT observe daylight saving time?+
IST: does not observe daylight saving time. HKT: does not observe daylight saving time.
When is the best time to schedule a meeting between IST and HKT?+
The strongest overlap is 09:00–14:00 IST (11:30–16:30 HKT), giving 6 hours when both sides are within standard 9am-5pm working hours.
What time is it in Hong Kong when it is 12:00 noon in Mumbai?+
When it is 12:00 Mon in Mumbai (IST), it is 14:30 Mon in Hong Kong (HKT).
Which IANA time zone identifiers are used for IST and HKT?+
IST maps to "Asia/Kolkata" in the IANA database. HKT maps to "Asia/Hong_Kong". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Mumbai ahead of or behind Hong Kong?+
Whether Mumbai (IST) is ahead of or behind Hong Kong (HKT) depends on the current UTC offsets. Right now HKT is 2h 30m ahead IST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for IST and HKT?+
IST is UTC+05:30 (GMT+5:30) and HKT is UTC+08:00 (GMT+8). 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 IST and HKT?+
Yes. There are 6 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–14:00 IST.