London to NZST
+11hLondon
BSTSOURCENZST
NZSTGreen rows indicate typical business hours (9 AM - 5 PM)
BST and NZST on the World Map
The map below highlights the BST (Greenwich Mean Time) and NZST (New Zealand Standard Time) timezone regions across the globe.
GMT – Greenwich Mean Time
UTC+00:00Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London. It is the same as UTC+00:00.
- •GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London.
- •The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
- •GMT and UTC are often used interchangeably, but UTC is based on atomic clocks.
- •Iceland uses GMT year-round and never observes daylight saving time.
- •The UK switches from GMT to BST (British Summer Time) in late March each year.
NZST – New Zealand Standard Time
UTC+12:00New Zealand Standard Time (NZST) is the time zone for New Zealand, 12 hours ahead of UTC.
- •New Zealand is among the first major countries to see a new day.
- •NZST is 17 hours ahead of EST.
- •New Zealand observes DST from September to April (Southern Hemisphere summer).
About London
WikipediaLondon, where Greenwich Mean Time (GMT) originates, is the world's leading financial center alongside New York. The city bridges European and American business hours.
Big Ben is actually the name of the bell inside the Elizabeth Tower, not the tower itself.
Everything You Need to Know About London and NZST Time
London runs on British Summer Time (BST) at UTC+01:00, currently observing daylight saving time. NZST runs on New Zealand Standard Time (NZST) at UTC+12:00. That puts London 11 hours ahead of NZST — a difference of +11h at the current offsets.
In practice, when it is 9:00 AM in London it is 8:00 PM in NZST. Midnight in London is 11:00 AM in NZST.London observes daylight saving time while NZST does not, so the gap narrows or widens by an hour part of the year.
London to NZST time conversion table
| London (BST) | NZST (NZST) | Day |
|---|---|---|
| 12:00 AM | 11:00 AM | same day |
| 6:00 AM | 5:00 PM | same day |
| 7:00 AM | 6:00 PM | same day |
| 8:00 AM | 7:00 PM | same day |
| 9:00 AM | 8:00 PM | same day |
| 12:00 PM | 11:00 PM | same day |
| 3:00 PM | 2:00 AM | next day |
| 5:00 PM | 4:00 AM | next day |
| 6:00 PM | 5:00 AM | next day |
| 9:00 PM | 8:00 AM | next day |
Why people convert London to NZST time
- Scheduling a call from London to NZST: a 10:00 AM start in London lands at 9:00 PM in NZST, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +11h gap: London and NZST have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in NZST is 8:00 PM in London.
- Coordinating a London-based team with NZST contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM BST" is unambiguous; "3 PM" across a +11h gap is not.
- With a +11h gap there is no shared 9-to-5 window, so alternate the early start: one week London takes the early slot, the next week NZST does.
- London: Clocks fall back on Sun, Oct 25, 2026. Re-check this page after that date because the offset changes and so does the +11h gap.
About GMT (Greenwich Mean Time)
Greenwich Mean Time (GMT) is the clock time at the Royal Observatory in Greenwich, London, which sits on the Prime Meridian (0° longitude). GMT serves as the reference point from which all other time zones are calculated. The United Kingdom uses GMT during winter months and switches to British Summer Time (BST, UTC+01:00) from late March to late October. Several West African nations use GMT year-round. GMT is often used interchangeably with UTC (Coordinated Universal Time), although technically they are different – UTC is based on atomic clocks while GMT is based on Earth's rotation.
About NZST (New Zealand Standard Time)
New Zealand Standard Time (NZST) is the standard time zone for New Zealand and its dependencies. New Zealand is among the first countries to see a new calendar day. During summer (September to April), clocks advance to New Zealand Daylight Time (NZDT, UTC+13:00).
Best time to call between London and NZST
With a +11h offset there is no overlap inside a normal 9 AM – 5 PM day. NZST opens at 9:00 AM NZST, which is 8:00 PM in London, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
London and NZST have no shared working hours because of the +11h gap. Teams need to alternate early starts or rely on asynchronous handovers.
London is 11 hours ahead of NZST (BST UTC+01:00 → NZST UTC+12:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
London
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
NZST
☀ Currently in DST
Standard: UTC+12:00 · DST: UTC+13:00
Clocks fall back on Sat, Apr 3, 2027
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between London and NZST?
London (BST, UTC+01:00) is 11 hours ahead of NZST (NZST, UTC+12:00). The gap is currently +11h.
How do I convert London time to NZST time?
Add +11h to London local time. For example, 9:00 AM in London is 8:00 PM in NZST.
What time is it in NZST right now?
NZST uses NZST at UTC+12:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +11h offset from London.
What is the best time to call NZST from London?
There is no shared working-hours window because of the +11h gap. The closest option is 1:00 PM in London, which is 12:00 AM in NZST.
Which is ahead, London or NZST?
London is 11 hours ahead of NZST. When it is 12:00 PM in London it is 11:00 PM in NZST.
Do London and NZST use different time zones?
London (UK) uses BST at UTC+01:00, while NZST uses NZST at UTC+12:00. The IANA identifiers are Europe/London and Pacific/Auckland.
Does daylight saving time affect the London–NZST difference?
Yes at the moment: London is on daylight saving time and NZST is not, so the +11h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share London's time zone?
BST also covers London, Dublin, Lisbon, Accra, Reykjavik, Edinburgh, Casablanca, Dakar and 5 more.
Which countries use BST, London's zone?
BST is used in United Kingdom, Ireland, Iceland, Portugal (mainland), Ghana, Senegal, Mali, Mauritania and 7 more.
Is there a day difference between London and NZST?
Not normally. The +11h gap only pushes the date over for late-evening times.
What is the time difference between London and NZST?
NZST is +11h from London.
What timezone is London in?
London, where Greenwich Mean Time (GMT) originates, is the world's leading financial center alongside New York. The city bridges European and American business hours.
What timezone is NZST in?
NZST operates on its local timezone.
What are the business hours in London?
Standard business hours in London are 9:00 AM - 5:00 PM GMT.
Which countries use GMT (Greenwich Mean Time)?
GMT is used in United Kingdom, Ireland, Iceland, Portugal (mainland), Ghana, Senegal, and 9 more countries.
Does GMT observe daylight saving time?
Yes, GMT switches to BST during summer months.
What are some interesting facts about GMT?
GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London. The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
Which cities are in the NZST timezone?
Major cities in the NZST timezone include Auckland, Wellington, Christchurch, Hamilton, Dunedin.
What is the UTC offset for NZST?
New Zealand Standard Time (NZST) is at UTC+12:00. During daylight saving time, it shifts to NZDT.
What should I know about the NZST timezone?
New Zealand is among the first major countries to see a new day. NZST is 17 hours ahead of EST.
When is it midnight in London, what time is it in NZST?
When it is 12:00 AM (midnight) in London (GMT), it is +11h later in NZST (NZST).
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