What is the time difference between NZST and ICT?

Indochina Time (ICT) is 6 hours behind New Zealand Standard Time (NZST). NZST uses a UTC offset of UTC+13, while ICT uses UTC+7. For example, when it's 9:00 AM in NZST, it's 3:00 AM in ICT. Note that this difference may shift by one hour during daylight saving time transitions if NZST observes DST. Use the conversion table above to see the exact time for each hour of the day.

How do I convert NZST to ICT?

To convert NZST to ICT, subtract 6 hours from the NZST time. For example, 9:00 AM NZST is 3:00 AM ICT, and 5:00 PM NZST is 11:00 AM ICT. Keep in mind that during daylight saving time transitions, the offset between these timezones may temporarily change by one hour. You can also use the interactive converter above for quick, accurate results.

What time is it in ICT when it's noon in NZST?

When it's 12:00 PM (noon) in NZST, it's 6:00 AM in ICT. This is because ICT is 6 hours behind NZST. Similarly, when it's 6:00 PM in NZST, it's 12:00 PM in ICT. During daylight saving time transitions, these times may shift by one hour, so always verify the current offset. The color-coded conversion table above shows every hour mapped between both timezones.

How many hours behind is ICT from NZST?

ICT is 6 hours behind NZST. This means when it's 9:00 AM in NZST, it's 3:00 AM in ICT, and when it's midnight in NZST, it's 6:00 PM in ICT. The exact difference can vary by one hour during daylight saving time transitions. The conversion table above provides a complete hour-by-hour mapping.

Is ICT ahead or behind NZST?

ICT is behind NZST by 6 hours. Clocks in ICT show an earlier time than NZST, meaning the day starts later in ICT relative to NZST. For example, when it's noon in NZST, it's still 6:00 AM in ICT. This gap may change by one hour during DST transitions.

Does NZST observe daylight saving time?

Yes, New Zealand Standard Time observes daylight saving time. During DST, the abbreviation changes to NZDT and clocks move forward by one hour, typically in spring. Clocks then fall back in autumn, returning to standard NZST time. This means the UTC offset for NZST shifts between two values depending on the season. Check our DST change calendar for exact transition dates that may affect your NZST to ICT conversions.

Does ICT observe daylight saving time?

No, Indochina Time does not observe daylight saving time. The UTC offset of UTC+7 remains the same year-round, making time conversions to ICT more predictable. Countries and regions in this timezone keep their clocks unchanged regardless of the season.

What is the best time to call from NZST to ICT?

The best time for a call between NZST and ICT is during overlapping business hours (9 AM – 5 PM) in both timezones. To reach someone in ICT during their work day, call between 3:00 PM and 11:00 PM your NZST time. Avoid calling too early or late, as the 6 hours difference means your evening could be their early morning. Check the color-coded conversion table above — green hours indicate business hours in both zones, making it easy to find the ideal time.

When does daylight saving time change in NZST?

Daylight saving time transitions vary by year and region. New Zealand Standard Time observes DST, which typically shifts clocks forward by one hour in spring ("spring forward") and back in fall ("fall back"). During these transition periods, the time difference between NZST and ICT may temporarily change by one hour, which can cause confusion for scheduled meetings or calls. It's important to double-check your conversions around transition dates, especially if the two timezones switch on different dates. Check our DST change calendar for exact transition dates in the current year.

Do NZST and ICT ever have the same time?

No, NZST and ICT never show the same time because their base UTC offsets are different. However, because NZST observes daylight saving time and ICT does not, the time difference between them changes by one hour during DST transitions. This means the gap narrows or widens depending on the season, but the two clocks never align. Always verify the current offset around DST transition dates to avoid scheduling errors.

NZST to ICT Converter

Convert New Zealand Standard Time to Indochina Time. See the hour-by-hour conversion table below.

Upcoming DST Change

New Zealand Time (NZDT) will fall back on April 5. Clocks will shift by 1 hour (NZDT → NZST).

View all DST changes

Timezone Details

New Zealand Standard Time

10:21 AM

Friday, April 3, 2026

NZDT (UTC+13:00)

Indochina Time

4:21 AM

Friday, April 3, 2026

ICT (UTC+07:00)

Difference: -6 hours

NZDT DST: Yes (NZDT)

ICT DST: No

24-Hour Overview

NZDT — 24-hour overview

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ICT — 24-hour overview

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Frequently Asked Questions

Related Conversions

ICT to NZST

Cities in These Timezones

NZST Cities

Auckland Christchurch Wellington

ICT Cities

Bangkok Phuket Chiang Mai

More Tools

Compare NZST & ICT Plan a Meeting (NZST & ICT)See on Map

Learn More

How Time Zones Work Understanding DST Timezone Abbreviations

External Resources

New Zealand Standard Time on Wikipedia Indochina Time on Wikipedia IANA Time Zone Database