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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 Lord Howe Standard Time
...
AST Atlantic Standard Time
...
Select a time to convert

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.

Time Difference
Atlantic Standard Time is 14 hours and 30 minutes behind Lord Howe Standard Time
Useful when deadlines, handoffs, or calls cross workday boundaries.
Best Call Window
Normal business hours do not overlap well here, so test early-morning or late-evening compromise slots.
Common Use Cases
Useful for remote teams, customer support windows, travel planning, webinars, and same-day deadline handoffs.

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.

Enter Your LHST Time

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.

Read the AST Result

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.

Copy or Fine-Tune

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

Align LHST–AST Meetings Instantly

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.

Spot Date-Line Shifts at a Glance

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.

Handles DST Transitions Automatically

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.

Never Miss a LHST-Timed Event

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.

Complete 24-Hour Conversion

Lord Howe Standard Time to Atlantic Standard Time full day schedule

12:00 AM
LHST
9:30 AM
AST
(previous day)
1:00 AM
LHST
10:30 AM
AST
(previous day)
2:00 AM
LHST
11:30 AM
AST
(previous day)
3:00 AM
LHST
12:30 PM
AST
(previous day)
4:00 AM
LHST
1:30 PM
AST
(previous day)
5:00 AM
LHST
2:30 PM
AST
(previous day)
6:00 AM
LHST
3:30 PM
AST
(previous day)
7:00 AM
LHST
4:30 PM
AST
(previous day)
8:00 AM
LHST
5:30 PM
AST
(previous day)
9:00 AM
LHST
6:30 PM
AST
(previous day)
10:00 AM
LHST
7:30 PM
AST
(previous day)
11:00 AM
LHST
8:30 PM
AST
(previous day)
12:00 PM
LHST
9:30 PM
AST
(previous day)
1:00 PM
LHST
10:30 PM
AST
(previous day)
2:00 PM
LHST
11:30 PM
AST
(previous day)
3:00 PM
LHST
12:30 AM
AST
4:00 PM
LHST
1:30 AM
AST
5:00 PM
LHST
2:30 AM
AST
6:00 PM
LHST
3:30 AM
AST
7:00 PM
LHST
4:30 AM
AST
8:00 PM
LHST
5:30 AM
AST
9:00 PM
LHST
6:30 AM
AST
10:00 PM
LHST
7:30 AM
AST
11:00 PM
LHST
8:30 AM
AST
Reviewed by iFormat Time Tools Team Last updated

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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