Convert Australian Central Time to Iran Time
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ACST · UTC+9:30 → IRST · UTC+3:30
ACST is 6 hours ahead of IRST
Today Adelaide is on ACDT (UTC+10:30) and Tehran on UTC+3:30 (UTC+3:30), so right now Adelaide is 7 hours ahead of Tehran.
Adelaide · ACDT
Wednesday, 7 October 2026
Tehran · UTC+3:30
Wednesday, 7 October 2026
When are both sides at work?Each column is one hour of the day in the first city; the second row shows the same moment in the other city. Gold means office hours (09:00–18:00), dusk means awake but off work, night means asleep (23:00–07:00). Columns where both rows are gold are good meeting times.
Shared working hours: 16:00–18:00 in Adelaide is 09:00–11:00 in Tehran.
Working (09–18) Awake, off the clock Asleep (23–07)
Pick a time and share it
21:53 Wed 7 Oct Adelaide = 14:53 Wed 7 Oct Tehran
Hour-by-hour conversion
| Adelaide (ACST)Every hour of today in the first city, with the matching time in the second. “Next day” means the calendar date is already tomorrow there. The highlighted row is right now. | Tehran (IRST) | |
|---|---|---|
| 00:00 | 17:00prev. day | |
| 01:00 | 18:00prev. day | |
| 02:00 | 19:00prev. day | |
| 03:00 | 20:00prev. day | |
| 04:00 | 21:00prev. day | |
| 05:00 | 22:00prev. day | |
| 06:00 | 23:00prev. day | |
| 07:00 | 00:00 | |
| 08:00 | 01:00 | |
| 09:00 | 02:00 | |
| 10:00 | 03:00 | |
| 11:00 | 04:00 | |
| 12:00 | 05:00 | |
| 13:00 | 06:00 | |
| 14:00 | 07:00 | |
| 15:00 | 08:00 | |
| 16:00 | 09:00 | Both at work |
| 17:00 | 10:00 | Both at work |
| 18:00 | 11:00 | |
| 19:00 | 12:00 | |
| 20:00 | 13:00 | |
| 21:00 | 14:00 | Now |
| 22:00 | 15:00 | |
| 23:00 | 16:00 |
About this conversion
ACST here means Australian Central Time, represented by Adelaide (Australia/Adelaide), currently UTC+10:30. IRST means Iran Time, represented by Tehran (Asia/Tehran), currently UTC+3:30.
ACST is used by 2 zones, including Australia. If you meant a different one, see every meaning of ACST.
Working hours are shown as 09:00–18:00 local, and sleeping hours as 23:00–07:00. The hour table is anchored on the current day in Adelaide; day boundaries are marked where the date differs.
Quick answers
- 09:00 ACST is 02:00 IRST
- 12:00 ACST is 05:00 IRST
- 15:00 ACST is 08:00 IRST
- 18:00 ACST is 11:00 IRST
Related conversions
- Australian Central Time to India TimeACST → IST
- Australian Central Time to Kyrgyzstan TimeACST → KGT
- Australian Central Time to Myanmar TimeACST → MMT
- Australian Central Time to Sakhalin TimeACST → SAKT
- Acre Time to Iran TimeACT → IRST
- Australian Eastern Time to Iran TimeAEST → IRST
- Australian Western Time to Iran TimeAWST → IRST
- Eastern European Time to Iran TimeEET → IRST
- Iran Time to India TimeIRST → IST
- Australian Central Time to Eastern TimeACST → EST
- Time in Adelaidenow, DST, offset
- Time in Tehrannow, DST, offset