Best Time to Post on Instagram in Australia (2026)

The best times to post on Instagram for audiences in Australia are 11 PM, 12 AM and 10 PM Sydney time (AEST/AEDT), based on our editorial baseline (built from published industry research), shown until this slice of our first-party dataset reaches a reliable sample size. The chart below shows the full 24-hour engagement curve — a relative score where 100 marks the strongest hour — so you can pick a window that fits your own publishing schedule rather than chasing a single magic minute.

All times on this page are in Sydney time (AEST/AEDT), UTC+10 at the time this page was generated. The page regenerates daily, so daylight-saving changes are picked up automatically.

Best window
11 PM
AEST/AEDT · score 100
2nd best window
12 AM
AEST/AEDT · score 95
3rd best window
10 PM
AEST/AEDT · score 92

Instagram engagement by hour (Sydney time (AEST/AEDT))

Relative engagement score by hour (AEST/AEDT)025507510010 AM AEST/AEDT: score 1810 AM11 AM AEST/AEDT: score 1412 PM AEST/AEDT: score 121 PM AEST/AEDT: score 101 PM2 PM AEST/AEDT: score 103 PM AEST/AEDT: score 124 PM AEST/AEDT: score 204 PM5 PM AEST/AEDT: score 326 PM AEST/AEDT: score 457 PM AEST/AEDT: score 587 PM8 PM AEST/AEDT: score 729 PM AEST/AEDT: score 8510 PM AEST/AEDT: score 9210 PM11 PM AEST/AEDT: score 10012 AM AEST/AEDT: score 951 AM AEST/AEDT: score 881 AM2 AM AEST/AEDT: score 823 AM AEST/AEDT: score 784 AM AEST/AEDT: score 724 AM5 AM AEST/AEDT: score 656 AM AEST/AEDT: score 557 AM AEST/AEDT: score 457 AM8 AM AEST/AEDT: score 329 AM AEST/AEDT: score 24
Relative engagement score by hour (100 = strongest hour). Times shown in AEST/AEDT. Curve: editorial baseline — switches to live TimeToPost data once this slice reaches our sample threshold.
Hourly engagement scores
Time (AEST/AEDT)UTC hourEngagement scorePosts analyzed
10 AM00:00 UTC18
11 AM01:00 UTC14
12 PM02:00 UTC12
1 PM03:00 UTC10
2 PM04:00 UTC10
3 PM05:00 UTC12
4 PM06:00 UTC20
5 PM07:00 UTC32
6 PM08:00 UTC45
7 PM09:00 UTC58
8 PM10:00 UTC72
9 PM11:00 UTC85
10 PM12:00 UTC92
11 PM13:00 UTC100
12 AM14:00 UTC95
1 AM15:00 UTC88
2 AM16:00 UTC82
3 AM17:00 UTC78
4 AM18:00 UTC72
5 AM19:00 UTC65
6 AM20:00 UTC55
7 AM21:00 UTC45
8 AM22:00 UTC32
9 AM23:00 UTC24

Posting to Instagram from Australia

Australia’s engagement clusters around Sydney, Melbourne and Brisbane, all on or near AEST. Because Australian peak hours are nearly inverted from the US and Europe, local accounts face less competition from global brands during their prime windows — a genuine timing advantage. Early mornings are strong (Australians are heavy pre-work scrollers) alongside the standard evening block.

Instagram engagement is driven by the first 30–60 minutes after publishing: the algorithm shows your post to a slice of your followers, measures saves, shares and comments, and decides whether to push it further into feeds, Explore and Reels surfaces. That makes publish timing matter more on Instagram than on platforms with longer content half-lives. Carousels and Reels both benefit from landing when your audience is actively scrolling — typically lunch breaks and the post-work wind-down — because early saves are the strongest ranking signal the platform exposes.

Knowing the window is half the job; actually hitting it is the other half. TimeToPost schedules your Instagram feed posts, Reels and carousels into these exact engagement windows in Australia — even while you sleep, and then feeds the results back into this dataset so the recommendations keep getting sharper.

Schedule at this time — automatically

TimeToPost queues your Instagram content into these exact engagement windows, every week, in your audience's timezone.

Start scheduling smarter

Methodology & timezone notes

This slice of our first-party dataset doesn’t yet meet our minimum sample threshold, so the curve shown is our clearly-labeled editorial baseline, compiled from published industry research. As more posts flow through TimeToPost, this page automatically switches to live aggregate data — it regenerates every 24 hours. Our dataset is recorded in UTC; times on this page are converted to Sydney time (AEST/AEDT) (UTC+10 at the time this page was generated, daylight-saving aware). We do not yet segment engagement by audience geography, so the underlying curve is global — the conversion tells you when those global peaks occur on your local clock.

Frequently asked questions

What is the best time to post on Instagram in Australia?

11 PM Sydney time (AEST/AEDT) is the single strongest hour in our current dataset, with 11 PM, 12 AM and 10 PM forming the top three windows. Treat these as windows, not deadlines — performance within an hour either side is typically similar.

Should I schedule in Sydney time (AEST/AEDT) if my followers are spread across Australia?

Yes, as a starting point. Sydney time (AEST/AEDT) is the anchor timezone for Australia's largest audience concentration. If your own analytics show followers clustered elsewhere, shift the windows by the timezone difference — the shape of the curve matters more than its absolute position.

Where does this data come from?

Currently from our editorial baseline, compiled from published industry research, because this specific slice of our first-party dataset has not yet reached the minimum sample size we require. The page automatically switches to live TimeToPost aggregate data as the sample grows, and is regenerated every 24 hours.

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