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Australia
ACDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
ULAST
Ulaanbaatar Summer Time
GMT +9
12am
3am
6am
9am
12pm
3pm
6pm
9pm
ULAST is not used on this date
This converter keeps ULAST at GMT +9. Ulaanbaatar uses ULAT (GMT +8) on this date. Open the ULAT converter, or choose Ulaanbaatar, Erdenet, or Darhan for city-specific time.

Quick answers

Selected conversion

The selected date and time will appear here when the converter loads.

How the time difference changes

Depending on seasonal clock changes, Adelaide Hills is 30 minutes ahead of ULAST or Adelaide Hills is 1 hour and 30 minutes ahead of ULAST.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in Adelaide Hills correspond to 8:30 am to 4:30 pm in ULAST or working hours of 9:00 am to 5:00 pm in Adelaide Hills correspond to 7:30 am to 3:30 pm in ULAST.

Compare Adelaide Hills time with ULAST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

ACDT (Australian Central Daylight Time) is 1 hour and 30 minutes ahead of Ulaanbaatar Summer Time
10:30 pm22:30 in Adelaide Hills, Australia is 9:00 pm21:00 in ULAST

Adelaide Hills to ULAST call time
Best time for a conference call or a meeting is between 10:30am-5pm in Adelaide Hills which corresponds to 9am-3:30pm in ULAST

10:30 pm22:30 ACDT (Australian Central Daylight Time) (Adelaide Hills, Australia). Offset UTC +10:30 hours
9:00 pm21:00 Ulaanbaatar Summer Time (ULAST). Offset UTC +9:00 hours

10:30 pm22:30 Adelaide Hills, Australia / 9:00 pm21:00 ULAST

Adelaide Hills, AustraliaULAST
12am (midnight)10:30 pm
1am11:30 pm
2am12:30 am
3am1:30 am
4am2:30 am
5am3:30 am
6am4:30 am
7am5:30 am
8am6:30 am
9am7:30 am
10am8:30 am
11am9:30 am
12pm (noon)10:30 am
1pm11:30 am
2pm12:30 pm
3pm1:30 pm
4pm2:30 pm
5pm3:30 pm
6pm4:30 pm
7pm5:30 pm
8pm6:30 pm
9pm7:30 pm
10pm8:30 pm
11pm9:30 pm
00:0022:30
01:0023:30
02:0000:30
03:0001:30
04:0002:30
05:0003:30
06:0004:30
07:0005:30
08:0006:30
09:0007:30
10:0008:30
11:0009:30
12:0010:30
13:0011:30
14:0012:30
15:0013:30
16:0014:30
17:0015:30
18:0016:30
19:0017:30
20:0018:30
21:0019:30
22:0020:30
23:0021:30

Adelaide Hills Information

Time Zone

Abbreviation / Name
ACST - Australian Central Standard Time
ACDT - Australian Central Daylight Time
UTC / GMT Offset
+9:30 hours during Australian Central Standard Time, currently in use.
+10:30 hours during Australian Central Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3amSunday, October 4, 2026 at 2:00 am local time. DST starts annually on the 1st Sunday of October. Clocks are turned forward 1 hour to Sunday, October 4, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 3am to 2amSunday, April 5, 2026 at 3:00 am local time. DST ends annually on the 1st Sunday of April. Clocks are turned backward 1 hour to Sunday, April 5, 2026 at 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Adelaide Hills Facts

Country
Australia
Population
72,260
Currency
Dollar (AUD)
Geographic Coordinates
34° 54' S Latitude / 138° 42' E Longitude
International Dialing Code
+61

Ulaanbaatar Summer Time

Offset: ULAST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia

ULAST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +09 - basic short
  • +0900 - basic
  • +09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • India - Military abbreviation for ULAST
  • I - short form of 'India'
Time zones with the GMT +9 offset:
  • AWDT - Australian Western Daylight Time
  • CHOST - Choibalsan Summer Time
  • I - India Time Zone
  • IRKST - Irkutsk Summer Time
  • JST - Japan Standard Time
  • KST - Korea Standard Time
  • PWT - Palau Time
  • TLT - East Timor Time
  • ULAST - Ulaanbaatar Summer Time
  • WIT - Eastern Indonesian Time
  • YAKT - Yakutsk Time