NZST to EST to London to Sydney Time Converter

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NZDT/NZST
New Zealand Daylight Time
UTC+13
12am
3am
6am
9am
12pm
3pm
6pm
9pm
New Zealand is on daylight saving time: NZDT (UTC+13) until Sun, Apr 4, 2027.
Use NZST all year (UTC+12)
EST
Eastern Standard Time
UTC−5
yesterday (previous day)
18h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
London
United KingdomGMT
UTC+0
yesterday (previous day)
13h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Sydney
AustraliaAEDT
UTC+11
2h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

4:00 am04:00 NZDT (UTC+13), Nov 2, 2026 = 10:00 am10:00 EST (UTC-5), Nov 1, 2026 = 3:00 pm15:00 GMT (UTC+0), Nov 1, 2026 = 2:00 am02:00 AEDT (UTC+11), Nov 2, 2026

NZDT is 18 hours ahead of EST. NZDT is 13 hours ahead of London. NZDT is 2 hours ahead of Sydney.

How the time difference changes

NZST to EST

Depending on seasonal clock changes, NZST is 16 hours ahead of EDT, NZDT is 17 hours ahead of EDT, or NZDT is 18 hours ahead of EST.

Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in NZST correspond to 5:00 pm (previous day) to 2:00 am in EDT, working hours of 9:00 am to 6:00 pm in NZDT correspond to 4:00 pm (previous day) to 1:00 am in EDT, or working hours of 9:00 am to 6:00 pm in NZDT correspond to 3:00 pm (previous day) to 12:00 am in EST.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in NZST correspond to 17:00 (previous day) to 02:00 in EDT, working hours of 09:00 to 18:00 in NZDT correspond to 16:00 (previous day) to 01:00 in EDT, or working hours of 09:00 to 18:00 in NZDT correspond to 15:00 (previous day) to 00:00 in EST.

NZST to London

Depending on seasonal clock changes, NZST is 11 hours ahead of London, NZDT is 12 hours ahead of London, or NZDT is 13 hours ahead of London.

Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in NZST correspond to 10:00 pm (previous day) to 7:00 am in London, working hours of 9:00 am to 6:00 pm in NZDT correspond to 9:00 pm (previous day) to 6:00 am in London, or working hours of 9:00 am to 6:00 pm in NZDT correspond to 8:00 pm (previous day) to 5:00 am in London.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in NZST correspond to 22:00 (previous day) to 07:00 in London, working hours of 09:00 to 18:00 in NZDT correspond to 21:00 (previous day) to 06:00 in London, or working hours of 09:00 to 18:00 in NZDT correspond to 20:00 (previous day) to 05:00 in London.

NZST to Sydney

Depending on seasonal clock changes, NZDT is 2 hours ahead of Sydney, NZST is 2 hours ahead of Sydney, or NZDT is 3 hours ahead of Sydney. Briefly around clock changes, NZST is 1 hour ahead of Sydney.

Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in NZDT correspond to 7:00 am to 4:00 pm in Sydney, working hours of 9:00 am to 6:00 pm in NZST correspond to 7:00 am to 4:00 pm in Sydney, or working hours of 9:00 am to 6:00 pm in NZDT correspond to 6:00 am to 3:00 pm in Sydney.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in NZDT correspond to 07:00 to 16:00 in Sydney, working hours of 09:00 to 18:00 in NZST correspond to 07:00 to 16:00 in Sydney, or working hours of 09:00 to 18:00 in NZDT correspond to 06:00 to 15:00 in Sydney.

Compare NZST time with EST, London, and Sydney time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

New Zealand Daylight Time is 18 hours ahead of Eastern Standard Time. New Zealand Daylight Time is 13 hours ahead of GMT (Greenwich Mean Time). New Zealand Daylight Time is 2 hours ahead of AEDT (Australian Eastern Daylight Time).
4:00 am04:00 in NZDT is 10:00 am10:00 in EST and is 3:00 pm15:00 in London, United Kingdom and is 2:00 am02:00 in Sydney, Australia

NZDT to EST call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in NZDT which corresponds to 3pm-6pm15:00-18:00 in EST (previous day)
NZDT to London call time
Best time for a conference call or a meeting is between 7:30am-8:30am07:30-08:30 in NZDT which corresponds to 6:30pm-7:30pm18:30-19:30 in London (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
NZDT to Sydney call time
Best time for a conference call or a meeting is between 11am-6pm11:00-18:00 in NZDT which corresponds to 9am-4pm09:00-16:00 in Sydney

4:00 am04:00 New Zealand Daylight Time (NZDT). Offset UTC +13:00 hours
10:00 am10:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
3:00 pm15:00 GMT (Greenwich Mean Time) (London, United Kingdom). Offset UTC 0:00 hours
2:00 am02:00 AEDT (Australian Eastern Daylight Time) (Sydney, Australia). Offset UTC +11:00 hours

4:00 am04:00 NZDT / 10:00 am10:00 EST / 3:00 pm15:00 London, United Kingdom / 2:00 am02:00 Sydney, Australia

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
NZDTESTLondon, United KingdomSydney, Australia
6:00am previous day11:00am previous day10:00pm previous day
7:00am previous day12:00pm previous day11:00pm previous day
8:00am previous day1:00pm previous day12:00am
9:00am previous day2:00pm previous day1:00am
10:00am previous day3:00pm previous day2:00am
11:00am previous day4:00pm previous day3:00am
12:00pm previous day5:00pm previous day4:00am
1:00pm previous day6:00pm previous day5:00am
2:00pm previous day7:00pm previous day6:00am
3:00pm previous day8:00pm previous day7:00am
4:00pm previous day9:00pm previous day8:00am
5:00pm previous day10:00pm previous day9:00am
6:00pm previous day11:00pm previous day10:00am
7:00pm previous day12:00am11:00am
8:00pm previous day1:00am12:00pm
9:00pm previous day2:00am1:00pm
10:00pm previous day3:00am2:00pm
11:00pm previous day4:00am3:00pm
12:00am5:00am4:00pm
1:00am6:00am5:00pm
2:00am7:00am6:00pm
3:00am8:00am7:00pm
4:00am9:00am8:00pm
5:00am10:00am9:00pm
06:00 previous day11:00 previous day22:00 previous day
07:00 previous day12:00 previous day23:00 previous day
08:00 previous day13:00 previous day00:00
09:00 previous day14:00 previous day01:00
10:00 previous day15:00 previous day02:00
11:00 previous day16:00 previous day03:00
12:00 previous day17:00 previous day04:00
13:00 previous day18:00 previous day05:00
14:00 previous day19:00 previous day06:00
15:00 previous day20:00 previous day07:00
16:00 previous day21:00 previous day08:00
17:00 previous day22:00 previous day09:00
18:00 previous day23:00 previous day10:00
19:00 previous day00:0011:00
20:00 previous day01:0012:00
21:00 previous day02:0013:00
22:00 previous day03:0014:00
23:00 previous day04:0015:00
00:0005:0016:00
01:0006:0017:00
02:0007:0018:00
03:0008:0019:00
04:0009:0020:00
05:0010:0021:00

New Zealand Standard Time

Offset: NZST is 12 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Antarctica, New Zealand

Principal Cities: The largest city in the NZST 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.

Map of the areas on New Zealand Standard Time (NZST)
NZST part of the year

Today the shaded areas are on UTC+13 (NZDT).

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe New Zealand Daylight Time (NZDT).

123456789101112End: New Zealand Standard Time (NZST) ended 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 local daylight time instead. Standard time ends annually on the last Sunday of September.

123456789101112Start: New Zealand Standard Time (NZST) starts 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. Standard time starts annually on the first Sunday of April.

See New Zealand daylight saving time and upcoming clock changes worldwide.

NZST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +12 - basic short
  • +1200 - basic
  • +12:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1200 - sign character (+) followed by a four digit time providing hours (12) and minutes (00) of the offset. Indicates an offset of twelve hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Mike - Military abbreviation for NZST
  • M - short form of 'Mike'
IANA/Olson: Reflects NZST 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 +12 offset:
  • ANAST - Anadyr Summer Time
  • ANAT - Anadyr Time
  • FJT - Fiji Time
  • GILT - Gilbert Island Time
  • M - Mike Time Zone
  • MAGST - Magadan Summer Time
  • MHT - Marshall Islands Time
  • NRT - Nauru Time
  • NZST - New Zealand Standard Time
  • PETT - Kamchatka Time
  • PETST - Kamchatka Summer Time
  • TVT - Tuvalu Time
  • WFT - Wallis and Futuna Time

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States

Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.

French: HNE - Heure Normale de l'Est

Spanish: ET - Tiempo del Este, ET - Zona Sureste

Map of the areas on Eastern Standard Time (EST)
EST all year EST part of the year

Today all shaded areas are on EST.

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).

123456789101112Start: Eastern Standard Time (EST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Eastern Standard Time (EST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

See USA daylight saving time and upcoming clock changes worldwide.

EST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for EST
  • R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Atikokan
  • America/Cancun
  • America/Cayman
  • America/Coral_Harbour
  • America/Detroit
  • America/Fort_Wayne
  • America/Grand_Turk
  • America/Indiana/Indianapolis
  • America/Indiana/Marengo
  • America/Indiana/Petersburg
  • America/Indiana/Vevay
  • America/Indiana/Vincennes
  • America/Indiana/Winamac
  • America/Indianapolis
  • America/Iqaluit
  • America/Jamaica
  • America/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Panama
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST
  • EST5EDT
  • Jamaica
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone

London Time Zone and Facts

Time Zone

Abbreviation / Offset
GMT – Greenwich Mean Time, UTC+0 (now)
BST – British Summer Time, UTC+1 (daylight saving time)
Daylight Saving Time Starts
123456789101112Sunday, March 28, 2027 at 1:00 amSunday, March 28, 2027 at 01:00: clocks go forward 1 hour to 2:00 am02:00 (BST). DST starts on the last Sunday of March each year. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
123456789101112Sunday, October 31, 2027 at 2:00 amSunday, October 31, 2027 at 02:00: clocks go back 1 hour to 1:00 am01:00 (GMT). DST ends on the last Sunday of October each year. Also called Fall Back or Winter Time.
Clock Changes
United Kingdom daylight saving time · Clock changes worldwide

London Facts

Country
United Kingdom
Alternative Names
ILondon, LON, Lakana, Landan, Landen, Ljondan, Llundain, Lodoni, Londain, Londan, Londar, Londe, Londen, Londin, Londinium, Londino, Londn, London, London osh, Londona, Londonas, Londoni, Londono, Londons, Londonu, Londra, Londres, Londrez, Londri, Londro, Londye, Londyn, Londýn, Lonn, Lontoo, Loundres, Luan GJon, Lun-tun, Lunden, Lundra, Lundun, Lundunir, Lundúnir, Lung-dung, Lunnainn, Lunnin, Lunnon, Luân Đôn, Lùn-tûn, Lùng-dŭng, Lûn-tun, Lākana, Lůndůn, Lọndọnu, Ranana, Rānana, ilantan, ladana, landan, landana, leondeon, lndn, london, londoni, lun dui, lun dun, lwndwn, lxndxn, rondon, Łondra, Λονδίνο, Лондан, Лондон, Лондон ош, Лондонъ, Лёндан, Լոնդոն, לאנדאן, לונדון, لأندأن, لندن, لوندون, لەندەن, ܠܘܢܕܘܢ, लंडन, लंदन, लण्डन, लन्डन्, लन्दन, লন্ডন, ਲੰਡਨ, લંડન, ଲଣ୍ଡନ, இலண்டன், లండన్, ಲಂಡನ್, ലണ്ടൻ, ලන්ඩන්, ลอนดอน, ລອນດອນ, ལོན་ཊོན།, လန်ဒန်မြို့, ლონდონი, ለንደን, ᎫᎴ ᏗᏍᎪᏂᎯᏱ, ロンドン, 伦敦, 倫敦, 런던
Population
8,961,989
Currency
Pound (GBP)
Geographic Coordinates
51° 30' N Latitude / 0° 07' W Longitude
International Dialing Code
+44
More About London
London time now
Current Time in the United Kingdom
UK time now

Sydney Time Zone and Facts

Time Zone

Abbreviation / Offset
AEDT – Australian Eastern Daylight Time, UTC+11 (now, daylight saving time)
AEST – Australian Eastern Standard Time, UTC+10 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, April 4, 2027 at 3:00 amSunday, April 4, 2027 at 03:00: clocks go back 1 hour to 2:00 am02:00 (AEST). DST ends on the 1st Sunday of April each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, October 3, 2027 at 2:00 amSunday, October 3, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (AEDT). DST starts on the 1st Sunday of October each year. Also called Spring Forward or Summer Time.
Clock Changes
Australia daylight saving time · Clock changes worldwide

Sydney Facts

Country
Australia
Alternative Names
SYD, Sanctus Dionysius, Sedniejos, Sek-na, Sidnef, Sidnei, Sidnej, Sidneja, Sidnejo, Sidnejus, Sidney, Sidneý, Sidni, Sidnéy, Sidnėjus, Sit-ni, Sit-nì, Syd, Sydneium, Sydney, Sydney City, Sék-nà̤, Sídney, Sîdney, Sėdniejos, citni, shidoni, sidani, sideuni, sidnei, sidni, sidniy, sydny, xi ni, xue li, Σίδνεϋ, Сиднеи, Сидней, Сиднеј, Сидни, Сідней, Сідні, Սիդնեյ, סידני, سيدنى, سيدني, سڈنی, سیدنی, ܣܝܕܢܝ, सिडनी, सिड्नी, सिद्नी, সিডনি, ਸਿਡਨੀ, સીડની, சிட்னி, సిడ్నీ, ಸಿಡ್ನಿ, സിഡ്നി, සිඩ්නි, ซิดนีย์, སིད་ནེ།, ဆစ်ဒနီမြို့, სიდნეი, ሲድኒ, ស៊ីដនីយ៏, シドニー, 悉尼, 雪梨, 시드니
Population
5,638,830
Currency
Dollar (AUD)
Geographic Coordinates
33° 52' S Latitude / 151° 12' E Longitude
International Dialing Code
+61
More About Sydney
Sydney time now