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

Updating current time…
San Diego
California, USAPDT
UTC−7
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Melbourne
AustraliaAEDT
UTC+11
18h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
ACDT
Australian Central Daylight Time
UTC+10:30
17h 30m ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
NZDT
New Zealand Daylight Time
UTC+13
tomorrow (next day)
20h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Cork
IrelandIST
UTC+1
8h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Cork's clocks go back 1 hour on Sun, Oct 25 · IST → GMT
Dubai
United Arab EmiratesGST
UTC+4
11h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Mecca
Saudi ArabiaAST
UTC+3
10h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
London
United KingdomBST
UTC+1
8h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
London's clocks go back 1 hour on Sun, Oct 25 · BST → GMT
HKT
Hong Kong Time
UTC+8
15h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

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

San Diego is 18 hours behind Melbourne. San Diego is 17 hours and 30 minutes behind ACDT. San Diego is 20 hours behind NZDT. San Diego is 8 hours behind Cork. San Diego is 11 hours behind Dubai. San Diego is 10 hours behind Mecca. San Diego is 8 hours behind London. San Diego is 15 hours behind HKT.

How the time difference changes

San Diego to Melbourne

Depending on seasonal clock changes, San Diego is 17 hours behind Melbourne, San Diego is 18 hours behind Melbourne, or San Diego is 19 hours behind Melbourne.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in San Diego correspond to 2:00 am (next day) to 10:00 am (next day) in Melbourne, working hours of 9:00 am to 5:00 pm in San Diego correspond to 3:00 am (next day) to 11:00 am (next day) in Melbourne, or working hours of 9:00 am to 5:00 pm in San Diego correspond to 4:00 am (next day) to 12:00 pm (next day) in Melbourne.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in San Diego correspond to 02:00 (next day) to 10:00 (next day) in Melbourne, working hours of 09:00 to 17:00 in San Diego correspond to 03:00 (next day) to 11:00 (next day) in Melbourne, or working hours of 09:00 to 17:00 in San Diego correspond to 04:00 (next day) to 12:00 (next day) in Melbourne.

San Diego to ACDT

Depending on seasonal clock changes, San Diego is 16 hours and 30 minutes behind ACST, San Diego is 17 hours and 30 minutes behind ACDT, or San Diego is 18 hours and 30 minutes behind ACDT.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in San Diego correspond to 1:30 am (next day) to 9:30 am (next day) in ACST, working hours of 9:00 am to 5:00 pm in San Diego correspond to 2:30 am (next day) to 10:30 am (next day) in ACDT, or working hours of 9:00 am to 5:00 pm in San Diego correspond to 3:30 am (next day) to 11:30 am (next day) in ACDT.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in San Diego correspond to 01:30 (next day) to 09:30 (next day) in ACST, working hours of 09:00 to 17:00 in San Diego correspond to 02:30 (next day) to 10:30 (next day) in ACDT, or working hours of 09:00 to 17:00 in San Diego correspond to 03:30 (next day) to 11:30 (next day) in ACDT.

San Diego to NZDT

Depending on seasonal clock changes, San Diego is 19 hours behind NZST, San Diego is 20 hours behind NZDT, or San Diego is 21 hours behind NZDT.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in San Diego correspond to 4:00 am (next day) to 12:00 pm (next day) in NZST, working hours of 9:00 am to 5:00 pm in San Diego correspond to 5:00 am (next day) to 1:00 pm (next day) in NZDT, or working hours of 9:00 am to 5:00 pm in San Diego correspond to 6:00 am (next day) to 2:00 pm (next day) in NZDT.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in San Diego correspond to 04:00 (next day) to 12:00 (next day) in NZST, working hours of 09:00 to 17:00 in San Diego correspond to 05:00 (next day) to 13:00 (next day) in NZDT, or working hours of 09:00 to 17:00 in San Diego correspond to 06:00 (next day) to 14:00 (next day) in NZDT.

San Diego to Cork

For most of the year, San Diego is 8 hours behind Cork. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, San Diego is 7 hours behind Cork.

For most of the year, working hours of 9:00 am to 5:00 pm in San Diego correspond to 5:00 pm to 1:00 am (next day) in Cork. At other times of the year, working hours of 9:00 am to 5:00 pm in San Diego correspond to 4:00 pm to 12:00 am (next day) in Cork.For most of the year, working hours of 09:00 to 17:00 in San Diego correspond to 17:00 to 01:00 (next day) in Cork. At other times of the year, working hours of 09:00 to 17:00 in San Diego correspond to 16:00 to 00:00 (next day) in Cork.

San Diego to Dubai

For most of the year, San Diego is 11 hours behind Dubai. From Nov 1, 2026 to Mar 14, 2027, San Diego is 12 hours behind Dubai.

For most of the year, working hours of 9:00 am to 5:00 pm in San Diego correspond to 8:00 pm to 4:00 am (next day) in Dubai. At other times of the year, working hours of 9:00 am to 5:00 pm in San Diego correspond to 9:00 pm to 5:00 am (next day) in Dubai.For most of the year, working hours of 09:00 to 17:00 in San Diego correspond to 20:00 to 04:00 (next day) in Dubai. At other times of the year, working hours of 09:00 to 17:00 in San Diego correspond to 21:00 to 05:00 (next day) in Dubai.

San Diego to Mecca

For most of the year, San Diego is 10 hours behind Mecca. From Nov 1, 2026 to Mar 14, 2027, San Diego is 11 hours behind Mecca.

For most of the year, working hours of 9:00 am to 5:00 pm in San Diego correspond to 7:00 pm to 3:00 am (next day) in Mecca. At other times of the year, working hours of 9:00 am to 5:00 pm in San Diego correspond to 8:00 pm to 4:00 am (next day) in Mecca.For most of the year, working hours of 09:00 to 17:00 in San Diego correspond to 19:00 to 03:00 (next day) in Mecca. At other times of the year, working hours of 09:00 to 17:00 in San Diego correspond to 20:00 to 04:00 (next day) in Mecca.

San Diego to London

For most of the year, San Diego is 8 hours behind London. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, San Diego is 7 hours behind London.

For most of the year, working hours of 9:00 am to 5:00 pm in San Diego correspond to 5:00 pm to 1:00 am (next day) in London. At other times of the year, working hours of 9:00 am to 5:00 pm in San Diego correspond to 4:00 pm to 12:00 am (next day) in London.For most of the year, working hours of 09:00 to 17:00 in San Diego correspond to 17:00 to 01:00 (next day) in London. At other times of the year, working hours of 09:00 to 17:00 in San Diego correspond to 16:00 to 00:00 (next day) in London.

San Diego to HKT

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

For most of the year, working hours of 9:00 am to 5:00 pm in San Diego correspond to 12:00 am (next day) to 8:00 am (next day) in HKT. At other times of the year, working hours of 9:00 am to 5:00 pm in San Diego correspond to 1:00 am (next day) to 9:00 am (next day) in HKT.For most of the year, working hours of 09:00 to 17:00 in San Diego correspond to 00:00 (next day) to 08:00 (next day) in HKT. At other times of the year, working hours of 09:00 to 17:00 in San Diego correspond to 01:00 (next day) to 09:00 (next day) in HKT.

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

Time Difference

PDT (Pacific Daylight Time) is 18 hours behind AEDT (Australian Eastern Daylight Time). PDT (Pacific Daylight Time) is 17 hours and 30 minutes behind Australian Central Daylight Time. PDT (Pacific Daylight Time) is 20 hours behind New Zealand Daylight Time. PDT (Pacific Daylight Time) is 8 hours behind IST (Irish Standard Time). PDT (Pacific Daylight Time) is 11 hours behind GST (Gulf Standard Time). PDT (Pacific Daylight Time) is 10 hours behind AST (Arabia Standard Time). PDT (Pacific Daylight Time) is 8 hours behind BST (British Summer Time). PDT (Pacific Daylight Time) is 15 hours behind Hong Kong Time.
5:00 am05:00 in San Diego, CA, USA is 11:00 pm23:00 in Melbourne, Australia and is 10:30 pm22:30 in ACDT and is 1:00 am01:00 in NZDT and is 1:00 pm13:00 in Cork, Ireland and is 4:00 pm16:00 in Dubai, United Arab Emirates and is 3:00 pm15:00 in Mecca, Saudi Arabia and is 1:00 pm13:00 in London, United Kingdom and is 8:00 pm20:00 in HKT

San Diego to Melbourne call time
Best time for a conference call or a meeting is between 3pm-5pm15:00-17:00 in San Diego which corresponds to 9am-11am09:00-11:00 in Melbourne (next day)
San Diego to ACDT call time
Best time for a conference call or a meeting is between 3:30pm-5pm15:30-17:00 in San Diego which corresponds to 9am-10:30am09:00-10:30 in ACDT (next day)
San Diego to NZDT call time
Best time for a conference call or a meeting is between 1pm-5pm13:00-17:00 in San Diego which corresponds to 9am-1pm09:00-13:00 in NZDT (next day)
San Diego to Cork call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in San Diego which corresponds to 4:30pm-5:30pm16:30-17:30 in Cork. Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.
San Diego to Dubai call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in San Diego which corresponds to 6pm-7pm18:00-19:00 in Dubai. Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.
San Diego to Mecca call time
Best time for a conference call or a meeting is between 7:30am-8:30am07:30-08:30 in San Diego which corresponds to 5:30pm-6:30pm17:30-18:30 in Mecca. Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.
San Diego to London call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in San Diego which corresponds to 4:30pm-5:30pm16:30-17:30 in London. Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.
San Diego to HKT call time
Best time for a conference call or a meeting is between 5pm-6pm17:00-18:00 in San Diego which corresponds to 8am-9am08:00-09:00 in HKT (next day). Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.

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

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

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
San Diego, CA, USAMelbourne, AustraliaACDTNZDTCork, IrelandDubai, United Arab EmiratesMecca, Saudi ArabiaLondon, United KingdomHKT
6:00pm5:30pm8:00pm8:00am11:00am10:00am8:00am3:00pm
7:00pm6:30pm9:00pm9:00am12:00pm11:00am9:00am4:00pm
8:00pm7:30pm10:00pm10:00am1:00pm12:00pm10:00am5:00pm
9:00pm8:30pm11:00pm11:00am2:00pm1:00pm11:00am6:00pm
10:00pm9:30pm12:00am next day12:00pm3:00pm2:00pm12:00pm7:00pm
11:00pm10:30pm1:00am next day1:00pm4:00pm3:00pm1:00pm8:00pm
12:00am next day11:30pm2:00am next day2:00pm5:00pm4:00pm2:00pm9:00pm
1:00am next day12:30am next day3:00am next day3:00pm6:00pm5:00pm3:00pm10:00pm
2:00am next day1:30am next day4:00am next day4:00pm7:00pm6:00pm4:00pm11:00pm
3:00am next day2:30am next day5:00am next day5:00pm8:00pm7:00pm5:00pm12:00am next day
4:00am next day3:30am next day6:00am next day6:00pm9:00pm8:00pm6:00pm1:00am next day
5:00am next day4:30am next day7:00am next day7:00pm10:00pm9:00pm7:00pm2:00am next day
6:00am next day5:30am next day8:00am next day8:00pm11:00pm10:00pm8:00pm3:00am next day
7:00am next day6:30am next day9:00am next day9:00pm12:00am next day11:00pm9:00pm4:00am next day
8:00am next day7:30am next day10:00am next day10:00pm1:00am next day12:00am next day10:00pm5:00am next day
9:00am next day8:30am next day11:00am next day11:00pm2:00am next day1:00am next day11:00pm6:00am next day
10:00am next day9:30am next day12:00pm next day12:00am next day3:00am next day2:00am next day12:00am next day7:00am next day
11:00am next day10:30am next day1:00pm next day1:00am next day4:00am next day3:00am next day1:00am next day8:00am next day
12:00pm next day11:30am next day2:00pm next day2:00am next day5:00am next day4:00am next day2:00am next day9:00am next day
1:00pm next day12:30pm next day3:00pm next day3:00am next day6:00am next day5:00am next day3:00am next day10:00am next day
2:00pm next day1:30pm next day4:00pm next day4:00am next day7:00am next day6:00am next day4:00am next day11:00am next day
3:00pm next day2:30pm next day5:00pm next day5:00am next day8:00am next day7:00am next day5:00am next day12:00pm next day
4:00pm next day3:30pm next day6:00pm next day6:00am next day9:00am next day8:00am next day6:00am next day1:00pm next day
5:00pm next day4:30pm next day7:00pm next day7:00am next day10:00am next day9:00am next day7:00am next day2:00pm next day
18:0017:3020:0008:0011:0010:0008:0015:00
19:0018:3021:0009:0012:0011:0009:0016:00
20:0019:3022:0010:0013:0012:0010:0017:00
21:0020:3023:0011:0014:0013:0011:0018:00
22:0021:3000:00 next day12:0015:0014:0012:0019:00
23:0022:3001:00 next day13:0016:0015:0013:0020:00
00:00 next day23:3002:00 next day14:0017:0016:0014:0021:00
01:00 next day00:30 next day03:00 next day15:0018:0017:0015:0022:00
02:00 next day01:30 next day04:00 next day16:0019:0018:0016:0023:00
03:00 next day02:30 next day05:00 next day17:0020:0019:0017:0000:00 next day
04:00 next day03:30 next day06:00 next day18:0021:0020:0018:0001:00 next day
05:00 next day04:30 next day07:00 next day19:0022:0021:0019:0002:00 next day
06:00 next day05:30 next day08:00 next day20:0023:0022:0020:0003:00 next day
07:00 next day06:30 next day09:00 next day21:0000:00 next day23:0021:0004:00 next day
08:00 next day07:30 next day10:00 next day22:0001:00 next day00:00 next day22:0005:00 next day
09:00 next day08:30 next day11:00 next day23:0002:00 next day01:00 next day23:0006:00 next day
10:00 next day09:30 next day12:00 next day00:00 next day03:00 next day02:00 next day00:00 next day07:00 next day
11:00 next day10:30 next day13:00 next day01:00 next day04:00 next day03:00 next day01:00 next day08:00 next day
12:00 next day11:30 next day14:00 next day02:00 next day05:00 next day04:00 next day02:00 next day09:00 next day
13:00 next day12:30 next day15:00 next day03:00 next day06:00 next day05:00 next day03:00 next day10:00 next day
14:00 next day13:30 next day16:00 next day04:00 next day07:00 next day06:00 next day04:00 next day11:00 next day
15:00 next day14:30 next day17:00 next day05:00 next day08:00 next day07:00 next day05:00 next day12:00 next day
16:00 next day15:30 next day18:00 next day06:00 next day09:00 next day08:00 next day06:00 next day13:00 next day
17:00 next day16:30 next day19:00 next day07:00 next day10:00 next day09:00 next day07:00 next day14:00 next day

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

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

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

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

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

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

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

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

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
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT