ACST to NZDT to Shanghai to PDT Time Converter

Updating current time…
ACST
Australian Central Standard Time
UTC+9:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
ACST is not used on this date
This converter keeps ACST at UTC+9:30. Adelaide uses ACDT (UTC+10:30) on this date. Open the ACDT converter, or choose Adelaide, Adelaide Hills, or Mount Gambier for city-specific time.
NZDT
New Zealand Daylight Time
UTC+13
tomorrow (next day)
3h 30m ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Shanghai
ChinaCST
UTC+8
1h 30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PDT
Pacific Daylight Time
UTC−7
16h 30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

9:30 pm21:30 ACST (UTC+9:30), Oct 23, 2026 = 1:00 am01:00 NZDT (UTC+13), Oct 24, 2026 = 8:00 pm20:00 CST (UTC+8), Oct 23, 2026 = 5:00 am05:00 PDT (UTC-7), Oct 23, 2026

ACST is 3 hours and 30 minutes behind NZDT. ACST is 1 hour and 30 minutes ahead of Shanghai. ACST is 16 hours and 30 minutes ahead of PDT.

How the time difference changes

ACST to NZDT

Depending on seasonal clock changes, ACST is 2 hours and 30 minutes behind NZST or ACST is 3 hours and 30 minutes behind NZDT.

Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in ACST correspond to 11:30 am to 8:30 pm in NZST or working hours of 9:00 am to 6:00 pm in ACST correspond to 12:30 pm to 9:30 pm in NZDT.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in ACST correspond to 11:30 to 20:30 in NZST or working hours of 09:00 to 18:00 in ACST correspond to 12:30 to 21:30 in NZDT.

ACST to Shanghai

ACST is 1 hour and 30 minutes ahead of Shanghai year-round.

Working hours of 9:00 am to 6:00 pm in ACST correspond to 7:30 am to 4:30 pm in Shanghai.Working hours of 09:00 to 18:00 in ACST correspond to 07:30 to 16:30 in Shanghai.

ACST to PDT

For most of the year, ACST is 16 hours and 30 minutes ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, ACST is 17 hours and 30 minutes ahead of PST.

For most of the year, working hours of 9:00 am to 6:00 pm in ACST correspond to 4:30 pm (previous day) to 1:30 am in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in ACST correspond to 3:30 pm (previous day) to 12:30 am in PST.For most of the year, working hours of 09:00 to 18:00 in ACST correspond to 16:30 (previous day) to 01:30 in PDT. At other times of the year, working hours of 09:00 to 18:00 in ACST correspond to 15:30 (previous day) to 00:30 in PST.

Compare ACST time with NZDT, Shanghai, and PDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Australian Central Standard Time is 3 hours and 30 minutes behind New Zealand Daylight Time. Australian Central Standard Time is 1 hour and 30 minutes ahead of CST (China Standard Time). Australian Central Standard Time is 16 hours and 30 minutes ahead of Pacific Daylight Time.
9:30 pm21:30 in ACST is 1:00 am01:00 in NZDT and is 8:00 pm20:00 in Shanghai, China and is 5:00 am05:00 in PDT

ACST to NZDT call time
Best time for a conference call or a meeting is between 9am-2:30pm09:00-14:30 in ACST which corresponds to 12:30pm-6pm12:30-18:00 in NZDT
ACST to Shanghai call time
Best time for a conference call or a meeting is between 10:30am-6pm10:30-18:00 in ACST which corresponds to 9am-4:30pm09:00-16:30 in Shanghai
ACST to PDT call time
Best time for a conference call or a meeting is between 9am-10:30am09:00-10:30 in ACST which corresponds to 4:30pm-6pm16:30-18:00 in PDT (previous day)

9:30 pm21:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
1:00 am01:00 New Zealand Daylight Time (NZDT). Offset UTC +13:00 hours
8:00 pm20:00 CST (China Standard Time) (Shanghai, China). Offset UTC +8:00 hours
5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours

9:30 pm21:30 ACST / 1:00 am01:00 NZDT / 8:00 pm20:00 Shanghai, China / 5:00 am05:00 PDT

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
ACSTNZDTShanghai, ChinaPDT
3:30am10:30pm previous day7:30am previous day
4:30am11:30pm previous day8:30am previous day
5:30am12:30am9:30am previous day
6:30am1:30am10:30am previous day
7:30am2:30am11:30am previous day
8:30am3:30am12:30pm previous day
9:30am4:30am1:30pm previous day
10:30am5:30am2:30pm previous day
11:30am6:30am3:30pm previous day
12:30pm7:30am4:30pm previous day
1:30pm8:30am5:30pm previous day
2:30pm9:30am6:30pm previous day
3:30pm10:30am7:30pm previous day
4:30pm11:30am8:30pm previous day
5:30pm12:30pm9:30pm previous day
6:30pm1:30pm10:30pm previous day
7:30pm2:30pm11:30pm previous day
8:30pm3:30pm12:30am
9:30pm4:30pm1:30am
10:30pm5:30pm2:30am
11:30pm6:30pm3:30am
12:30am next day7:30pm4:30am
1:30am next day8:30pm5:30am
2:30am next day9:30pm6:30am
03:3022:30 previous day07:30 previous day
04:3023:30 previous day08:30 previous day
05:3000:3009:30 previous day
06:3001:3010:30 previous day
07:3002:3011:30 previous day
08:3003:3012:30 previous day
09:3004:3013:30 previous day
10:3005:3014:30 previous day
11:3006:3015:30 previous day
12:3007:3016:30 previous day
13:3008:3017:30 previous day
14:3009:3018:30 previous day
15:3010:3019:30 previous day
16:3011:3020:30 previous day
17:3012:3021:30 previous day
18:3013:3022:30 previous day
19:3014:3023:30 previous day
20:3015:3000:30
21:3016:3001:30
22:3017:3002:30
23:3018:3003:30
00:30 next day19:3004:30
01:30 next day20:3005:30
02:30 next day21:3006:30

Australian Central Standard Time

Offset: ACST is 9 hours and 30 minutes ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Australia

Principal Cities: The largest city in the ACST time zone is Adelaide in Australia, with about 1.469 million people. Other major cities in this time zone include Darwin, Palmerston, Alice Springs, Mount Gambier.

Map of the areas on Australian Central Standard Time (ACST)
ACST all year ACST part of the year

Today the lighter areas are on UTC+10:30 (ACDT).

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 Australian Central Daylight Time (ACDT).

123456789101112End: Australian Central Standard Time (ACST) ended 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 local daylight time instead. Standard time ends annually on the first Sunday of October.

123456789101112Start: Australian Central Standard Time (ACST) 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 Australia daylight saving time and upcoming clock changes worldwide.

ACST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0930 - basic
  • +09:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0930 - sign character (+) followed by a four digit time providing hours (09) and minutes (30) of the offset. Indicates an offset of nine hours and thirty minutes to the east of the zero meridian.
IANA/Olson: Reflects ACST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Australia/Adelaide
  • Australia/Broken_Hill
  • Australia/Darwin
  • Australia/North
  • Australia/South
  • Australia/Yancowinna

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 New Zealand daylight saving time and 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

Shanghai Time Zone and Facts

Time Zone

Abbreviation / Offset
CST – China Standard Time, UTC+8 (no daylight saving time)

Shanghai Facts

Country
China
Alternative Names
SHA, San'nkae, Sanchajus, Sangaj, Sangay, Sanghaj, Sanghay, Sanhaja, Sanhajo, Sanxay, Schanghai, Shang-hai, Shang-hai-shih, Shangai, Shangaj, Shanghai, Shanghai - shang hai, Shanghai - 上海, Shankhaj, Sjanghae, Sjanghai, Sjanghæ, Szanghaj, Thuong Hai, Thượng Hải, Xangai, cankay, sangha'i, sanghae, sanghai, seiynghi, shang hai, shang hai shi, shanghay, shanghhay, shanhai, zhong guo shang hai, Ŝanhajo, Şangay, Şanghay, Şanxay, Šanchajus, Šangaj, Šanghaj, Šanhaja, Σανγκάη, Шангај, Шанхай, שאנגחאי, شانغهاي, شانگهای, شاڭخەي, شاڭخەي شەھىرى, সাংঘাই, சாங்காய், เซี่ยงไฮ้, შანჰაი, 上海, 上海市, 中国上海, 상하이, 상해
Population
24,874,500
Currency
Yuan Renminbi (CNY)
Geographic Coordinates
31° 13' N Latitude / 121° 27' E Longitude
International Dialing Code
+86
More About Shanghai
Shanghai local time and city facts

Pacific Daylight Time

Offset: PDT is 7 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Mexico, United States

Principal Cities: The largest city in the PDT time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.

French: HAP - Heure Avancée du Pacifique

Spanish: PT - Zona Noroeste

Map of the areas on Pacific Daylight Time (PDT)
PDT part of the year

Today all shaded areas are on PDT.

Open the world time zone map© OpenStreetMap

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

123456789101112Start: Pacific Daylight Time (PDT) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

123456789101112End: Pacific Daylight Time (PDT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See USA daylight saving time and upcoming clock changes worldwide.

PDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -07 - basic short
  • -0700 - basic
  • -07:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Tango - Military abbreviation for PDT
  • T - short form of 'Tango'
IANA/Olson: Reflects PDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Ensenada
  • America/Los_Angeles
  • America/Santa_Isabel
  • America/Tijuana
  • America/Vancouver
  • Canada/Pacific
  • Mexico/BajaNorte
  • PST8PDT
  • US/Pacific
Time zones with the GMT -7 offset:
  • MST - Mountain Standard Time
  • PDT - Pacific Daylight Time
  • YST - Yukon Standard Time
  • T - Tango Time Zone
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT