ACDT to TLT Converter
Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
ACDT and TLT examples
These examples always use ACDT (UTC+10:30) and TLT (UTC+9). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
ACDT is 1 hour and 30 minutes ahead of TLT.
How the time difference changes
Depending on seasonal clock changes, ACST is 30 minutes ahead of TLT or ACDT is 1 hour and 30 minutes ahead of TLT.
Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in ACST correspond to 8:30 am to 4:30 pm in TLT or working hours of 9:00 am to 5:00 pm in ACDT correspond to 7:30 am to 3:30 pm in TLT.
Compare ACDT time with TLT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Australian Central Daylight Time is 1 hour and 30 minutes ahead of East Timor Time
10:30 pm22:30 in ACDT is 9:00 pm21:00 in TLT
ACDT to TLT call time
Best time for a conference call or a meeting is between 10:30am-5pm in ACDT which corresponds to 9am-3:30pm in TLT
10:30 pm22:30 Australian Central Daylight Time (ACDT). Offset UTC +10:30 hours
9:00 pm21:00 East Timor Time (TLT). Offset UTC +9:00 hours
10:30 pm22:30 ACDT / 9:00 pm21:00 TLT
| ACDT | TLT |
|---|---|
| 12am (midnight) | 10:30 pm |
| 1am | 11:30 pm |
| 2am | 12:30 am |
| 3am | 1:30 am |
| 4am | 2:30 am |
| 5am | 3:30 am |
| 6am | 4:30 am |
| 7am | 5:30 am |
| 8am | 6:30 am |
| 9am | 7:30 am |
| 10am | 8:30 am |
| 11am | 9:30 am |
| 12pm (noon) | 10:30 am |
| 1pm | 11:30 am |
| 2pm | 12:30 pm |
| 3pm | 1:30 pm |
| 4pm | 2:30 pm |
| 5pm | 3:30 pm |
| 6pm | 4:30 pm |
| 7pm | 5:30 pm |
| 8pm | 6:30 pm |
| 9pm | 7:30 pm |
| 10pm | 8:30 pm |
| 11pm | 9:30 pm |
| 00:00 | 22:30 |
| 01:00 | 23:30 |
| 02:00 | 00:30 |
| 03:00 | 01:30 |
| 04:00 | 02:30 |
| 05:00 | 03:30 |
| 06:00 | 04:30 |
| 07:00 | 05:30 |
| 08:00 | 06:30 |
| 09:00 | 07:30 |
| 10:00 | 08:30 |
| 11:00 | 09:30 |
| 12:00 | 10:30 |
| 13:00 | 11:30 |
| 14:00 | 12:30 |
| 15:00 | 13:30 |
| 16:00 | 14:30 |
| 17:00 | 15:30 |
| 18:00 | 16:30 |
| 19:00 | 17:30 |
| 20:00 | 18:30 |
| 21:00 | 19:30 |
| 22:00 | 20:30 |
| 23:00 | 21:30 |
Australian Central Daylight Time
Offset: ACDT is 10 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia
Countries using this time zone: Australia
Principal Cities: The largest city in the ACDT time zone is Adelaide in Australia, with about 1.225 million people. Other major cities in this time zone include Adelaide Hills, Mount Gambier, Morphett Vale, Prospect.

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).
Start: Australian Central Daylight Time (ACDT) started on Sunday, October 5, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, October 5, 2025, 3:00 am. Daylight saving starts annually on the first Sunday of October
End: Australian Central Daylight Time (ACDT) ends on Sunday, April 5, 2026 at 3:00 am local time and clocks are set one hour back to Sunday, April 5, 2026, 2:00 am local standard time instead. Daylight saving ends annually on the first Sunday of April
ACDT representations, usage and related time zones
- +1030 - basic
- +10:30 - extended
- +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.
- Australia/Adelaide
- Australia/Broken_Hill
- Australia/South
- Australia/Yancowinna
- ACDT - Australian Central Daylight Time
- LHST - Lord Howe Standard Time
East Timor Time
Offset: TLT is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: East Timor
Principal Cities: The largest city in the TLT time zone is Dili in East Timor, with about 150,000 people. Other major cities in this time zone include Same, Maliana, Suai, Liquica.
Daylight Saving: Clocks in East Timor Time (TLT) do not change for daylight saving time, so TLT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

TLT representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +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.
- India - Military abbreviation for TLT
- I - short form of 'India'
- 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
