Updating current time…
IST
India Standard Time
GMT +5:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
NZDT
New Zealand Daylight Time
GMT +13
tomorrow
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

5:30 pm17:30 IST (UTC+5:30), Oct 9, 2026 = 1:00 am01:00 NZDT (UTC+13), Oct 10, 2026

IST is 7 hours and 30 minutes behind NZDT.

IST and NZDT examples

These examples always use IST (UTC+5:30) and NZDT (UTC+13). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

IST is 7 hours and 30 minutes behind NZDT.

How the time difference changes

Depending on seasonal clock changes, IST is 6 hours and 30 minutes behind NZST or IST is 7 hours and 30 minutes behind NZDT.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in IST correspond to 3:30 pm to 11:30 pm in NZST or working hours of 9:00 am to 5:00 pm in IST correspond to 4:30 pm to 12:30 am (next day) in NZDT.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in IST correspond to 15:30 to 23:30 in NZST or working hours of 09:00 to 17:00 in IST correspond to 16:30 to 00:30 (next day) in NZDT.

Compare IST time with NZDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

India Standard Time is 7 hours and 30 minutes behind New Zealand Daylight Time.
5:30 pm17:30 in IST is 1:00 am01:00 in NZDT

IST to NZDT call time
Best time for a conference call or a meeting is between 9am-9:30am09:00-09:30 in IST which corresponds to 4:30pm-5pm16:30-17:00 in NZDT

5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
1:00 am01:00 New Zealand Daylight Time (NZDT). Offset UTC +13:00 hours

5:30 pm17:30 IST / 1:00 am01:00 NZDT

ISTNZDT
12:00am7:30am
1:00am8:30am
2:00am9:30am
3:00am10:30am
4:00am11:30am
5:00am12:30pm
6:00am1:30pm
7:00am2:30pm
8:00am3:30pm
9:00am4:30pm
10:00am5:30pm
11:00am6:30pm
12:00pm7:30pm
1:00pm8:30pm
2:00pm9:30pm
3:00pm10:30pm
4:00pm11:30pm
5:00pm12:30am
6:00pm1:30am
7:00pm2:30am
8:00pm3:30am
9:00pm4:30am
10:00pm5:30am
11:00pm6:30am
00:0007:30
01:0008:30
02:0009:30
03:0010:30
04:0011:30
05:0012:30
06:0013:30
07:0014:30
08:0015:30
09:0016:30
10:0017:30
11:0018:30
12:0019:30
13:0020:30
14:0021:30
15:0022:30
16:0023:30
17:0000:30
18:0001:30
19:0002:30
20:0003:30
21:0004:30
22:0005:30
23:0006:30

India Standard Time

Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia

Countries using this time zone: India

Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bangalore, Chennai, Kolkata.

Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

IST Time Zone Geo Map
IST timezone map

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2

New Zealand Daylight Time

Offset: NZDT is 13 hours ahead Greenwich Mean Time (GMT) and is used in Pacific

Countries using this time zone: Antarctica, New Zealand

Principal Cities: The largest city in the NZDT time zone is Auckland in New Zealand, with about 1.547 million people. Other major cities in this time zone include Christchurch, Wellington, Hamilton, Tauranga.

NZDT Time Zone Geo Map
NZDT timezone map

Daylight Saving: New Zealand Daylight Time (NZDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe New Zealand Standard Time (NZST).

Daylight saving time clock moves forward for one hourStart: New Zealand Daylight Time (NZDT) started on Sunday, September 27, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, September 27, 2026, 3:00 am03:00. Daylight saving starts annually on the last Sunday of September.

Daylight saving time clock moves back for one hourEnd: New Zealand Daylight Time (NZDT) ends on Sunday, April 4, 2027 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, April 4, 2027, 2:00 am02:00 local standard time instead. Daylight saving ends annually on the first Sunday of April.

See upcoming clock changes worldwide.

NZDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +13 - basic short
  • +1300 - basic
  • +13:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1300 - sign character (+) followed by a four digit time providing hours (13) and minutes (00) of the offset. Indicates an offset of thirteen hours to the east of the zero meridian.
IANA/Olson: Reflects NZDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Antarctica/McMurdo
  • Antarctica/South_Pole
  • NZ
  • Pacific/Auckland
Time zones with the GMT +13 offset:
  • FJST - Fiji Summer Time
  • NZDT - New Zealand Daylight Time
  • PHOT - Phoenix Island Time
  • TKT - Tokelau Time
  • TOT - Tonga Time
  • WST - West Samoa Time
  • WSST - West Samoa Standard Time