IST to NZST Time Converter

Convert India Standard Time (IST) to New Zealand Standard Time (NZST). Both time zones are shown live below; current offset between them is 6h 30m ahead.

Mumbai · India Standard Time
17:55:27
Monday, May 11, 2026
GMT+5:30 · UTC+05:30
Auckland · New Zealand Standard Time
00:25:27
Tuesday, May 12, 2026
GMT+12 · UTC+12:00

Convert a specific time

From: IST (Mumbai)
To: NZST (Auckland)
--:--

Daylight Saving status right now

IST (India Standard Time)
Observes DST
No
NZST (New Zealand Standard Time)
Observes DST
Yes
In DST right now
No
Next spring forward
2026-09-27
Offset shift
UTC+12:00 → UTC+13:00

Heads up: NZST observes DST while IST does not. The 6.5-hour difference shown above will shift by one hour when NZST starts or ends DST.

When can IST and NZST meet?

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01
02
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09
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IST
NZST
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.
2 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–10:00 IST (15:30–16:30 NZST).

Hour-by-hour IST to NZST conversion table

IST time (Mumbai)NZST time (Auckland)Status
00:00 Mon06:30 MonOff-hours both sides
01:00 Mon07:30 MonOff-hours both sides
02:00 Mon08:30 MonOff-hours both sides
03:00 Mon09:30 MonNZST working
04:00 Mon10:30 MonNZST working
05:00 Mon11:30 MonNZST working
06:00 Mon12:30 MonNZST working
07:00 Mon13:30 MonNZST working
08:00 Mon14:30 MonNZST working
09:00 Mon15:30 MonBoth at work
10:00 Mon16:30 MonBoth at work
11:00 Mon17:30 MonIST working
12:00 Mon18:30 MonIST working
13:00 Mon19:30 MonIST working
14:00 Mon20:30 MonIST working
15:00 Mon21:30 MonIST working
16:00 Mon22:30 MonIST working
17:00 Mon23:30 MonOff-hours both sides
18:00 Mon00:30 TueOff-hours both sides
19:00 Mon01:30 TueOff-hours both sides
20:00 Mon02:30 TueOff-hours both sides
21:00 Mon03:30 TueOff-hours both sides
22:00 Mon04:30 TueOff-hours both sides
23:00 Mon05:30 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
New Zealand Standard Time (NZST)
IANA identifier
Pacific/Auckland
Current UTC offset
UTC+12:00
Current abbreviation
GMT+12
Major cities in this zone
AucklandWellington

Sun today in Mumbai and Auckland

Mumbai
Sunrise
06:06
Sunset
19:05
Solar noon
12:36
Daylight
12h 58m
Auckland
Sunrise
07:09
Sunset
17:27
Solar noon
12:18
Daylight
10h 18m

Related converters

NZST to IST (reverse)IST to ESTIST to PSTIST to GMTIST to UTCIST to CETEST to NZSTPST to NZSTGMT to NZSTUTC to NZSTCET to NZST
Looking for local time? See time in Mumbai or time in Auckland.

Frequently asked questions

What is the time difference between IST and NZST right now?+
NZST (New Zealand Standard Time) is currently 6h 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 NZST observe daylight saving time?+
IST: does not observe daylight saving time. NZST: observes daylight saving time.
When is the best time to schedule a meeting between IST and NZST?+
The strongest overlap is 09:00–10:00 IST (15:30–16:30 NZST), giving 2 hours when both sides are within standard 9am-5pm working hours.
What time is it in Auckland when it is 12:00 noon in Mumbai?+
When it is 12:00 Mon in Mumbai (IST), it is 18:30 Mon in Auckland (NZST).
Which IANA time zone identifiers are used for IST and NZST?+
IST maps to "Asia/Kolkata" in the IANA database. NZST maps to "Pacific/Auckland". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Mumbai ahead of or behind Auckland?+
Whether Mumbai (IST) is ahead of or behind Auckland (NZST) depends on the current UTC offsets. Right now NZST is 6h 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 NZST?+
IST is UTC+05:30 (GMT+5:30) and NZST is UTC+12:00 (GMT+12). 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 NZST?+
Yes. There are 2 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–10:00 IST.