LHST to AST Time Converter
Use this LHST to AST time converter to compare Australia and Canada time instantly. AST is 14 hours and 30 minutes behind LHST, so 9:00 AM LHST becomes 6:30 PM (previous day) AST and 5:00 PM LHST becomes 2:30 AM AST. 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 AST Quick Facts
Use this LHST to AST converter to compare Australia and Canada time, check the 14 hours and 30 minutes gap, and confirm the right slot for calls, handoffs, and deadlines. Find the best overlap for calls and meetings.
How to Convert LHST to AST
Converting between Lord Howe Standard Time and Atlantic Standard Time means accounting for a 14 hours and 30 minutes 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 Atlantic Standard Time (UTC -4) time appears immediately. Since AST is 14 hours and 30 minutes behind of LHST, conversions often cross midnight — look for the date-change label.
Click "Copy Time" to grab the AST result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — useful when Daylight Saving Time changes the gap.
Why Choose Our LHST to AST Converter
With 14 hours and 30 minutes between LHST and AST, business-hours overlap is limited. This tool instantly shows which hours work on both sides, so you can lock in a meeting without a chain of "does 3 PM work for you?" emails.
A LHST evening at 9 PM is already the previous afternoon in AST. This converter flags date changes beside the result — critical when booking flights, hitting deadlines, or scheduling across the Australia–Canada corridor.
The half-hour offset between LHST (UTC +10:30) and AST (UTC -4) already makes mental math tricky — add Daylight Saving Time and the gap can shift further. This converter uses live UTC offsets, so you're always accurate.
Product launches, sports matches, and webinars are often announced in LHST. Convert the event time to AST so you know exactly when to tune in — with a 14 hours and 30 minutes difference, a morning event in Australia hits the evening in Canada.
LHST to AST Time Conversion Chart
Quick-reference conversion table covering every hour of the day at a glance.
Lord Howe Standard Time to Atlantic Standard Time full day schedule
| Lord Howe Standard Time | Atlantic Standard Time |
|---|---|
| 12:00 AM |
9:30 AM
(previous day)
|
| 1:00 AM |
10:30 AM
(previous day)
|
| 2:00 AM |
11:30 AM
(previous day)
|
| 3:00 AM |
12:30 PM
(previous day)
|
| 4:00 AM |
1:30 PM
(previous day)
|
| 5:00 AM |
2:30 PM
(previous day)
|
| 6:00 AM |
3:30 PM
(previous day)
|
| 7:00 AM |
4:30 PM
(previous day)
|
| 8:00 AM |
5:30 PM
(previous day)
|
| 9:00 AM |
6:30 PM
(previous day)
|
| 10:00 AM |
7:30 PM
(previous day)
|
| 11:00 AM |
8:30 PM
(previous day)
|
| 12:00 PM |
9:30 PM
(previous day)
|
| 1:00 PM |
10:30 PM
(previous day)
|
| 2:00 PM |
11:30 PM
(previous day)
|
| 3:00 PM |
12:30 AM
|
| 4:00 PM |
1:30 AM
|
| 5:00 PM |
2:30 AM
|
| 6:00 PM |
3:30 AM
|
| 7:00 PM |
4:30 AM
|
| 8:00 PM |
5:30 AM
|
| 9:00 PM |
6:30 AM
|
| 10:00 PM |
7:30 AM
|
| 11:00 PM |
8:30 AM
|
Timezone offsets and DST rules verified against the IANA Time Zone Database. Conversion math and business-hour overlap windows double-checked against real-world scheduling scenarios.
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Find the time difference from any major zone into Atlantic Standard Time. Use these pages when scheduling with Canada from a different region.