HKT to London to Mecca to Dubai to Cork to ACDT to Melbourne to NZDT to San Diego Time Converter

Updating current time…
HKT
Hong Kong Time
UTC+8
12am
3am
6am
9am
12pm
3pm
6pm
9pm
London
United KingdomBST
UTC+1
7h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
London's clocks go back 1 hour on Sun, Oct 25 · BST → GMT
Mecca
Saudi ArabiaAST
UTC+3
5h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Dubai
United Arab EmiratesGST
UTC+4
4h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Cork
IrelandIST
UTC+1
7h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Cork's clocks go back 1 hour on Sun, Oct 25 · IST → GMT
ACDT
Australian Central Daylight Time
UTC+10:30
2h 30m ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Melbourne
AustraliaAEDT
UTC+11
3h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
NZDT
New Zealand Daylight Time
UTC+13
tomorrow (next day)
5h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
San Diego
California, USAPDT
UTC−7
15h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

8:00 pm20:00 HKT (UTC+8), Oct 14, 2026 = 1:00 pm13:00 BST (UTC+1), Oct 14, 2026 = 3:00 pm15:00 AST (UTC+3), Oct 14, 2026 = 4:00 pm16:00 GST (UTC+4), Oct 14, 2026 = 1:00 pm13:00 IST (UTC+1), Oct 14, 2026 = 10:30 pm22:30 ACDT (UTC+10:30), Oct 14, 2026 = 11:00 pm23:00 AEDT (UTC+11), Oct 14, 2026 = 1:00 am01:00 NZDT (UTC+13), Oct 15, 2026 = 5:00 am05:00 PDT (UTC-7), Oct 14, 2026

HKT is 7 hours ahead of London. HKT is 5 hours ahead of Mecca. HKT is 4 hours ahead of Dubai. HKT is 7 hours ahead of Cork. HKT is 2 hours and 30 minutes behind ACDT. HKT is 3 hours behind Melbourne. HKT is 5 hours behind NZDT. HKT is 15 hours ahead of San Diego.

How the time difference changes

HKT to London

For most of the year, HKT is 7 hours ahead of London. From Oct 25, 2026 to Mar 28, 2027, HKT is 8 hours ahead of London.

For most of the year, working hours of 9:00 am to 5:00 pm in HKT correspond to 2:00 am to 10:00 am in London. At other times of the year, working hours of 9:00 am to 5:00 pm in HKT correspond to 1:00 am to 9:00 am in London.For most of the year, working hours of 09:00 to 17:00 in HKT correspond to 02:00 to 10:00 in London. At other times of the year, working hours of 09:00 to 17:00 in HKT correspond to 01:00 to 09:00 in London.

HKT to Mecca

HKT is 5 hours ahead of Mecca year-round.

Working hours of 9:00 am to 5:00 pm in HKT correspond to 4:00 am to 12:00 pm in Mecca.Working hours of 09:00 to 17:00 in HKT correspond to 04:00 to 12:00 in Mecca.

HKT to Dubai

HKT is 4 hours ahead of Dubai year-round.

Working hours of 9:00 am to 5:00 pm in HKT correspond to 5:00 am to 1:00 pm in Dubai.Working hours of 09:00 to 17:00 in HKT correspond to 05:00 to 13:00 in Dubai.

HKT to Cork

For most of the year, HKT is 7 hours ahead of Cork. From Oct 25, 2026 to Mar 28, 2027, HKT is 8 hours ahead of Cork.

For most of the year, working hours of 9:00 am to 5:00 pm in HKT correspond to 2:00 am to 10:00 am in Cork. At other times of the year, working hours of 9:00 am to 5:00 pm in HKT correspond to 1:00 am to 9:00 am in Cork.For most of the year, working hours of 09:00 to 17:00 in HKT correspond to 02:00 to 10:00 in Cork. At other times of the year, working hours of 09:00 to 17:00 in HKT correspond to 01:00 to 09:00 in Cork.

HKT to ACDT

Depending on seasonal clock changes, HKT is 1 hour and 30 minutes behind ACST or HKT is 2 hours and 30 minutes behind ACDT.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in HKT correspond to 10:30 am to 6:30 pm in ACST or working hours of 9:00 am to 5:00 pm in HKT correspond to 11:30 am to 7:30 pm in ACDT.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in HKT correspond to 10:30 to 18:30 in ACST or working hours of 09:00 to 17:00 in HKT correspond to 11:30 to 19:30 in ACDT.

HKT to Melbourne

Depending on seasonal clock changes, HKT is 2 hours behind Melbourne or HKT is 3 hours behind Melbourne.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in HKT correspond to 11:00 am to 7:00 pm in Melbourne or working hours of 9:00 am to 5:00 pm in HKT correspond to 12:00 pm to 8:00 pm in Melbourne.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in HKT correspond to 11:00 to 19:00 in Melbourne or working hours of 09:00 to 17:00 in HKT correspond to 12:00 to 20:00 in Melbourne.

HKT to NZDT

Depending on seasonal clock changes, HKT is 4 hours behind NZST or HKT is 5 hours behind NZDT.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in HKT correspond to 1:00 pm to 9:00 pm in NZST or working hours of 9:00 am to 5:00 pm in HKT correspond to 2:00 pm to 10:00 pm in NZDT.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in HKT correspond to 13:00 to 21:00 in NZST or working hours of 09:00 to 17:00 in HKT correspond to 14:00 to 22:00 in NZDT.

HKT to San Diego

For most of the year, HKT is 15 hours ahead of San Diego. From Nov 1, 2026 to Mar 14, 2027, HKT is 16 hours ahead of San Diego.

For most of the year, working hours of 9:00 am to 5:00 pm in HKT correspond to 6:00 pm (previous day) to 2:00 am in San Diego. At other times of the year, working hours of 9:00 am to 5:00 pm in HKT correspond to 5:00 pm (previous day) to 1:00 am in San Diego.For most of the year, working hours of 09:00 to 17:00 in HKT correspond to 18:00 (previous day) to 02:00 in San Diego. At other times of the year, working hours of 09:00 to 17:00 in HKT correspond to 17:00 (previous day) to 01:00 in San Diego.

Compare HKT time with London, Mecca, Dubai, Cork, ACDT, Melbourne, NZDT, and San Diego time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Hong Kong Time is 7 hours ahead of BST (British Summer Time). Hong Kong Time is 5 hours ahead of AST (Arabia Standard Time). Hong Kong Time is 4 hours ahead of GST (Gulf Standard Time). Hong Kong Time is 7 hours ahead of IST (Irish Standard Time). Hong Kong Time is 2 hours and 30 minutes behind Australian Central Daylight Time. Hong Kong Time is 3 hours behind AEDT (Australian Eastern Daylight Time). Hong Kong Time is 5 hours behind New Zealand Daylight Time. Hong Kong Time is 15 hours ahead of PDT (Pacific Daylight Time).
8:00 pm20:00 in HKT is 1:00 pm13:00 in London, United Kingdom and is 3:00 pm15:00 in Mecca, Saudi Arabia and is 4:00 pm16:00 in Dubai, United Arab Emirates and is 1:00 pm13:00 in Cork, Ireland and is 10:30 pm22:30 in ACDT and is 11:00 pm23:00 in Melbourne, Australia and is 1:00 am01:00 in NZDT and is 5:00 am05:00 in San Diego, CA, USA

HKT to London call time
Best time for a conference call or a meeting is between 4pm-5pm16:00-17:00 in HKT which corresponds to 9am-10am09:00-10:00 in London
HKT to Mecca call time
Best time for a conference call or a meeting is between 2pm-5pm14:00-17:00 in HKT which corresponds to 9am-12pm09:00-12:00 in Mecca
HKT to Dubai call time
Best time for a conference call or a meeting is between 1pm-5pm13:00-17:00 in HKT which corresponds to 9am-1pm09:00-13:00 in Dubai
HKT to Cork call time
Best time for a conference call or a meeting is between 4pm-5pm16:00-17:00 in HKT which corresponds to 9am-10am09:00-10:00 in Cork
HKT to ACDT call time
Best time for a conference call or a meeting is between 9am-2:30pm09:00-14:30 in HKT which corresponds to 11:30am-5pm11:30-17:00 in ACDT
HKT to Melbourne call time
Best time for a conference call or a meeting is between 9am-2pm09:00-14:00 in HKT which corresponds to 12pm-5pm12:00-17:00 in Melbourne
HKT to NZDT call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in HKT which corresponds to 2pm-5pm14:00-17:00 in NZDT
HKT to San Diego call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in HKT which corresponds to 5pm-6pm17:00-18:00 in San Diego (previous day). Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.

8:00 pm20:00 Hong Kong Time (HKT). Offset UTC +8:00 hours
1:00 pm13:00 BST (British Summer Time) (London, United Kingdom). Offset UTC +1:00 hour
3:00 pm15:00 AST (Arabia Standard Time) (Mecca, Saudi Arabia). Offset UTC +3:00 hours
4:00 pm16:00 GST (Gulf Standard Time) (Dubai, United Arab Emirates). Offset UTC +4:00 hours
1:00 pm13:00 IST (Irish Standard Time) (Cork, Ireland). Offset UTC +1:00 hour
10:30 pm22:30 Australian Central Daylight Time (ACDT). Offset UTC +10:30 hours
11:00 pm23:00 AEDT (Australian Eastern Daylight Time) (Melbourne, Australia). Offset UTC +11:00 hours
1:00 am01:00 New Zealand Daylight Time (NZDT). Offset UTC +13:00 hours
5:00 am05:00 PDT (Pacific Daylight Time) (San Diego, CA, USA). Offset UTC -7:00 hours

8:00 pm20:00 HKT / 1:00 pm13:00 London, United Kingdom / 3:00 pm15:00 Mecca, Saudi Arabia / 4:00 pm16:00 Dubai, United Arab Emirates / 1:00 pm13:00 Cork, Ireland / 10:30 pm22:30 ACDT / 11:00 pm23:00 Melbourne, Australia / 1:00 am01:00 NZDT / 5:00 am05:00 San Diego, CA, USA

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
HKTLondon, United KingdomMecca, Saudi ArabiaDubai, United Arab EmiratesCork, IrelandACDTMelbourne, AustraliaNZDTSan Diego, CA, USA
5:00pm previous day7:00pm previous day8:00pm previous day5:00pm previous day2:30am3:00am5:00am9:00am previous day
6:00pm previous day8:00pm previous day9:00pm previous day6:00pm previous day3:30am4:00am6:00am10:00am previous day
7:00pm previous day9:00pm previous day10:00pm previous day7:00pm previous day4:30am5:00am7:00am11:00am previous day
8:00pm previous day10:00pm previous day11:00pm previous day8:00pm previous day5:30am6:00am8:00am12:00pm previous day
9:00pm previous day11:00pm previous day12:00am9:00pm previous day6:30am7:00am9:00am1:00pm previous day
10:00pm previous day12:00am1:00am10:00pm previous day7:30am8:00am10:00am2:00pm previous day
11:00pm previous day1:00am2:00am11:00pm previous day8:30am9:00am11:00am3:00pm previous day
12:00am2:00am3:00am12:00am9:30am10:00am12:00pm4:00pm previous day
1:00am3:00am4:00am1:00am10:30am11:00am1:00pm5:00pm previous day
2:00am4:00am5:00am2:00am11:30am12:00pm2:00pm6:00pm previous day
3:00am5:00am6:00am3:00am12:30pm1:00pm3:00pm7:00pm previous day
4:00am6:00am7:00am4:00am1:30pm2:00pm4:00pm8:00pm previous day
5:00am7:00am8:00am5:00am2:30pm3:00pm5:00pm9:00pm previous day
6:00am8:00am9:00am6:00am3:30pm4:00pm6:00pm10:00pm previous day
7:00am9:00am10:00am7:00am4:30pm5:00pm7:00pm11:00pm previous day
8:00am10:00am11:00am8:00am5:30pm6:00pm8:00pm12:00am
9:00am11:00am12:00pm9:00am6:30pm7:00pm9:00pm1:00am
10:00am12:00pm1:00pm10:00am7:30pm8:00pm10:00pm2:00am
11:00am1:00pm2:00pm11:00am8:30pm9:00pm11:00pm3:00am
12:00pm2:00pm3:00pm12:00pm9:30pm10:00pm12:00am next day4:00am
1:00pm3:00pm4:00pm1:00pm10:30pm11:00pm1:00am next day5:00am
2:00pm4:00pm5:00pm2:00pm11:30pm12:00am next day2:00am next day6:00am
3:00pm5:00pm6:00pm3:00pm12:30am next day1:00am next day3:00am next day7:00am
4:00pm6:00pm7:00pm4:00pm1:30am next day2:00am next day4:00am next day8:00am
17:00 previous day19:00 previous day20:00 previous day17:00 previous day02:3003:0005:0009:00 previous day
18:00 previous day20:00 previous day21:00 previous day18:00 previous day03:3004:0006:0010:00 previous day
19:00 previous day21:00 previous day22:00 previous day19:00 previous day04:3005:0007:0011:00 previous day
20:00 previous day22:00 previous day23:00 previous day20:00 previous day05:3006:0008:0012:00 previous day
21:00 previous day23:00 previous day00:0021:00 previous day06:3007:0009:0013:00 previous day
22:00 previous day00:0001:0022:00 previous day07:3008:0010:0014:00 previous day
23:00 previous day01:0002:0023:00 previous day08:3009:0011:0015:00 previous day
00:0002:0003:0000:0009:3010:0012:0016:00 previous day
01:0003:0004:0001:0010:3011:0013:0017:00 previous day
02:0004:0005:0002:0011:3012:0014:0018:00 previous day
03:0005:0006:0003:0012:3013:0015:0019:00 previous day
04:0006:0007:0004:0013:3014:0016:0020:00 previous day
05:0007:0008:0005:0014:3015:0017:0021:00 previous day
06:0008:0009:0006:0015:3016:0018:0022:00 previous day
07:0009:0010:0007:0016:3017:0019:0023:00 previous day
08:0010:0011:0008:0017:3018:0020:0000:00
09:0011:0012:0009:0018:3019:0021:0001:00
10:0012:0013:0010:0019:3020:0022:0002:00
11:0013:0014:0011:0020:3021:0023:0003:00
12:0014:0015:0012:0021:3022:0000:00 next day04:00
13:0015:0016:0013:0022:3023:0001:00 next day05:00
14:0016:0017:0014:0023:3000:00 next day02:00 next day06:00
15:0017:0018:0015:0000:30 next day01:00 next day03:00 next day07:00
16:0018:0019:0016:0001:30 next day02:00 next day04:00 next day08:00

Hong Kong Time

Offset: HKT is 8 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Hong Kong

Principal Cities: The largest city in the HKT time zone is Hong Kong in Hong Kong, with about 7.396 million people.

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

Map of the areas on Hong Kong Time (HKT)
HKT all year

Open the world time zone map© OpenStreetMap

HKT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +08 - basic short
  • +0800 - basic
  • +08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Hotel - Military abbreviation for HKT
  • H - short form of 'Hotel'
IANA/Olson: Reflects HKT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Hong_Kong
  • Hongkong
Time zones with the GMT +8 offset:
  • ACT - ASEAN Common Time
  • AWST - Australian Western Standard Time
  • BNT - Brunei Darussalam Time
  • CAST - Casey Time
  • CHOT - Choibalsan Time
  • CST - China Standard Time
  • H - Hotel Time Zone
  • HKT - Hong Kong Time
  • HOVST - Hovd Summer Time
  • IRKT - Irkutsk Time
  • KRAST - Krasnoyarsk Summer Time
  • MYT - Malaysia Time
  • PHT - Philippine Time
  • SGT - Singapore Time
  • ULAT - Ulaanbaatar Time
  • WITA - Central Indonesian Time

London Time Zone and Facts

Time Zone

Abbreviation / Offset
BST – British Summer Time, UTC+1 (now, daylight saving time)
GMT – Greenwich Mean Time, UTC+0 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, October 25, 2026 at 2:00 amSunday, October 25, 2026 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.
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.
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 local time and city facts

Mecca Time Zone and Facts

Time Zone

Abbreviation / Offset
AST – Arabia Standard Time, UTC+3 (no daylight saving time)

Mecca Facts

Country
Saudi Arabia
Alternative Names
A Meca, La Meca, La Mecca, La Mecque, Macoraba, Maekkae, Makka, Makkah, Makkah al Mukarramah, Makkah al Mukarraman, Makkah al-Mukarramah, Meca, Mecca, Mecka, Meice, Meka, Mekao, Meke, Mekka, Mekkah, Mekke, Mekko, Mäkkä, mai jia, mak kah, makka, meka, mekka, mkh, mkt, mkt almkrmt, Μέκκα, Мека, Мекка, מכה, مكة, مكة المكرمة, مکه, مکہ, মক্কা, มักกะฮ์, མ་ཁ།, მექა, メッカ, 麥加, 메카
Population
1,578,722
Currency
Rial (SAR)
Geographic Coordinates
21° 25' N Latitude / 39° 49' E Longitude
International Dialing Code
+966
More About Mecca
Mecca local time and city facts

Dubai Time Zone and Facts

Time Zone

Abbreviation / Offset
GST – Gulf Standard Time, UTC+4 (no daylight saving time)

Dubai Facts

Country
United Arab Emirates
Alternative Names
DXB, Dabei, Dibai, Dibay, Doubayi, Dubae, Dubai, Dubai City, Dubai emiraat, Dubaija, Dubaj, Dubajo, Dubajus, Dubay, Dubayy, Dubaï, Dubái, Dúbæ, Ehmirat Dubaj, Fort Dabei, Ntoumpai, dby, dbyy, di bai, dobai, du bai, duba'i, dubai, dubay, dubi, dwbyy, tupai, Ντουμπάι, Дубаи, Дубай, Эмірат Дубай, Դուբայի Էմիրություն, דובאי, דוביי, دبئی, دبى, دبي, دبی, دوبەی, دۇبائى, दुबई, দুবাই, துபை, దుబాయ్, ದುಬೈ, ദുബായ്, ดูไบ, დუბაი, ドバイ, 杜拜, 迪拜, 두바이
Population
3,790,000
Currency
Dirham (AED)
Geographic Coordinates
25° 04' N Latitude / 55° 18' E Longitude
International Dialing Code
+971
More About Dubai
Dubai local time and city facts

Cork Time Zone and Facts

Time Zone

Abbreviation / Offset
IST – Irish Standard Time, UTC+1 (now, daylight saving time)
GMT – Greenwich Mean Time, UTC+0 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, October 25, 2026 at 2:00 amSunday, October 25, 2026 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.
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 (IST). DST starts on the last Sunday of March each year. Also called Spring Forward or Summer Time.
Clock Changes
Ireland daylight saving time · Clock changes worldwide

Cork Facts

Country
Ireland
Alternative Names
Corc, Corcagia, Corcaigh, Cork, Cork - Corcaigh, Cork city, Corkee, Kork, Korka, Korkas, Korkig, ORK, ke ke, khxrk, kokeu, koku, korka, kwrk, qwrq, Κορκ, Корк, Կորկ, קורק, كورك, کورک, कॉर्क, คอร์ก, კორკი, コーク, 科克, 코크
Population
224,004
Currency
Euro (EUR)
Geographic Coordinates
51° 53' N Latitude / 8° 28' W Longitude
International Dialing Code
+353
More About Cork
Cork local time and city facts

Australian Central Daylight Time

Offset: ACDT is 10 hours and 30 minutes ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Australia

Principal Cities: The largest city in the ACDT time zone is Adelaide in Australia, with about 1.469 million people. Other major cities in this time zone include Mount Gambier, Mount Barker, Whyalla, Gawler.

Map of the areas on Australian Central Daylight Time (ACDT)
ACDT part of the year

Today all shaded areas are on ACDT.

Open the world time zone map© OpenStreetMap

Daylight Saving: Australian Central Daylight Time (ACDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Australian Central Standard Time (ACST).

123456789101112Start: Australian Central Daylight Time (ACDT) started on Sunday, October 4, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, October 4, 2026, 3:00 am03:00. Daylight saving starts annually on the first Sunday of October.

123456789101112End: Australian Central Daylight Time (ACDT) 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.

ACDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1030 - basic
  • +10:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1030 - sign character (+) followed by a four digit time providing hours (10) and minutes (30) of the offset. Indicates an offset of ten hours and thirty minutes to the east of the zero meridian.
IANA/Olson: Reflects ACDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Australia/Adelaide
  • Australia/Broken_Hill
  • Australia/South
  • Australia/Yancowinna
Time zones with the GMT +10:30 offset:
  • ACDT - Australian Central Daylight Time
  • LHST - Lord Howe Standard Time

Melbourne 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

Melbourne Facts

Country
Australia
Alternative Names
MEL, Mel'burn, Melbourne, Melbourne City, Melbournum, Melburn, Melburna, Melburnas, Melburno, Melvourni, mel beirn, melaborna, melbeoleun, melbeon, melporn, meruborun, mlbwrn, mo er ben, Μελβούρνη, Мелбурн, Мелбърн, Мельбурн, מלבורן, ملبورن, مېلبۇرن, मेलबोर्न, மெல்போர்ன், เมลเบิร์น, མེར་བུན, メルボルン, 墨尔本, 墨爾本, 멜버른, 멜번
Population
5,435,590
Currency
Dollar (AUD)
Geographic Coordinates
37° 48' S Latitude / 144° 57' E Longitude
International Dialing Code
+61
More About Melbourne
Melbourne local time and city facts

New Zealand Daylight Time

Offset: NZDT is 13 hours ahead of Greenwich Mean Time (GMT).

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.

Map of the areas on New Zealand Daylight Time (NZDT)
NZDT part of the year

Today all shaded areas are on NZDT.

Open the world time zone map© OpenStreetMap

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).

123456789101112Start: 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.

123456789101112End: 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

San Diego Time Zone and Facts

Time Zone

Abbreviation / Offset
PDT – Pacific Daylight Time, UTC-7 (now, daylight saving time)
PST – Pacific Standard Time, UTC-8 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00: clocks go back 1 hour to 1:00 am01:00 (PST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (PDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.
Clock Changes
USA daylight saving time · Clock changes worldwide

San Diego Facts

Country
USA
State
California
Alternative Names
Davis' Folly, Didacopolis, Graytown, Lungsod ng San Diego, New San Diego, SAN, San Diegas, San Diego, San Diegu, San Dijego, San Diyego, San Diyégo, San Miguel, San Ntienko, San-Diego, San-Dieqo, San-Dyega, Sandjego, can tiyeko, saendiego, saendieigo, saina di'ego, san diyago, san dyyghw, san-diego, sana di'ego, sana diyago, sandiego, sena diyego, sheng de ya ge, sn dygw, sn dyygw, syana di'ego, Σαν Ντιέγκο, Сан Диего, Сан Дијего, Сан-Диего, Сан-Дыега, Сан-Дієго, Սան Դիեգո, סאן דיעגא, סן דייגו, سان دييغو, سان ڈیاگو, سان ڈیگو, سن دیگو, सॅन डियेगो, सैन डिएगो, स्यान डिएगो, সান ডিয়াগো, ਸਾਨ ਦੀਏਗੋ, சான் டியேகோ, శాన్ డియాగో, แซนดีเอโก, სან-დიეგო, ሳንዲየጎ, サンディエゴ, 聖地牙哥, 샌디에고, 샌디에이고
Population
1,404,452
Currency
Dollar (USD)
Geographic Coordinates
32° 42' N Latitude / 117° 09' W Longitude
International Dialing Code
+1
More About San Diego
San Diego local time and city facts
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT