LHST to IRST Time Converter
Use this LHST to IRST time converter to compare Australia and Iran time instantly. IRST is 7 hours behind LHST, so 9:00 AM LHST becomes 2:00 AM IRST and 5:00 PM LHST becomes 10:00 AM IRST. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.
LHST to IRST Quick Facts
Use this LHST to IRST converter to compare Australia and Iran time, check the 7 hours gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 4:00 PM LHST / 9:00 AM IRST.
How to Convert LHST to IRST
Converting between Lord Howe Standard Time and Iran Standard Time means accounting for a 7 hours gap — here's how to do it in under 10 seconds with no sign-up.
Pick the date and time in Lord Howe Standard Time (UTC +10:30) that you want to convert. Hit "Now" to load the current LHST time instantly, or use "+1h" to step forward and compare.
The equivalent Iran Standard Time (UTC +3:30) time appears immediately. Since IRST is 7 hours behind of LHST, most daytime conversions stay on the same calendar day.
Click "Copy Time" to grab the IRST result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — helpful for scheduling recurring Australia–Iran calls.
Why Choose Our LHST to IRST Converter
When someone in Australia suggests 4:00 PM LHST, that's 9:00 AM IRST. This converter shows the overlap so both sides agree on one slot — no back-and-forth.
Late-night LHST times can land on a different date in IRST because of the 7 hours offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.
Daylight Saving adjustments can widen or narrow the LHST–IRST gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.
Product launches, sports matches, and webinars are often announced in LHST. Convert the event time to IRST so you know exactly when to tune in — with a 7 hours difference, a morning event in Australia hits the evening in Iran.
LHST to IRST Time Conversion Chart
Quick-reference conversion table covering every hour of the day at a glance.
Lord Howe Standard Time to Iran Standard Time full day schedule
| Lord Howe Standard Time | Iran Standard Time |
|---|---|
| 12:00 AM |
5:00 PM
(previous day)
|
| 1:00 AM |
6:00 PM
(previous day)
|
| 2:00 AM |
7:00 PM
(previous day)
|
| 3:00 AM |
8:00 PM
(previous day)
|
| 4:00 AM |
9:00 PM
(previous day)
|
| 5:00 AM |
10:00 PM
(previous day)
|
| 6:00 AM |
11:00 PM
(previous day)
|
| 7:00 AM |
12:00 AM
|
| 8:00 AM |
1:00 AM
|
| 9:00 AM |
2:00 AM
|
| 10:00 AM |
3:00 AM
|
| 11:00 AM |
4:00 AM
|
| 12:00 PM |
5:00 AM
|
| 1:00 PM |
6:00 AM
|
| 2:00 PM |
7:00 AM
|
| 3:00 PM |
8:00 AM
|
| 4:00 PM |
9:00 AM
|
| 5:00 PM |
10:00 AM
|
| 6:00 PM |
11:00 AM
|
| 7:00 PM |
12:00 PM
|
| 8:00 PM |
1:00 PM
|
| 9:00 PM |
2:00 PM
|
| 10:00 PM |
3:00 PM
|
| 11:00 PM |
4:00 PM
|
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