Best time to post calculator.
Pick a day and your audience's time zone. See what Hootsuite, Buffer, and Sprout Social each recommend for Instagram Reels, with the lower-conflict safer pick flagged, converted to your own posting clock.
In short: a best-time-to-post calculator turns the benchmark data into a specific window for your day and time zone. This one shows all three major sources side by side, Hootsuite, Buffer, and Sprout Social, because they often disagree, and flags the safer, lower-conflict pick as your default test. Set your audience's time zone and it converts each window to when you should actually post.
Wednesday · Strongest overall
The strongest day of the week - Buffer and Sprout both rank it #1, with the least disagreement of any day.
Ranks Wednesday the #1 day
Also ranks it #1
All windows are in your audience's local time. Set a different 'your time zone' above if you post from a different region than your audience, and each window will also show when to post on your own clock.
How to use this best time to post calculator
- 1
Pick the day you want to post.
- 2
Set your audience's time zone, plus yours if you post from a different region.
- 3
Compare what each source recommends and start with the safer pick flagged as default.
What is a best time to post calculator?
A best-time-to-post calculator converts aggregated engagement benchmarks into a concrete posting window for a specific day and time zone, so you do not have to do the timezone math yourself. Most calculators collapse the data into a single answer per day. This one does the opposite on purpose: it shows what Hootsuite, Buffer, and Sprout Social each found, because on several days, especially Friday, Saturday, and Sunday, they point to genuinely different windows, and knowing which source you are trusting matters more than a false single number. The safer pick, flagged by default, is the window with the least cross-source conflict for that day.
Common use cases
Plan a week of Reels around each day's strongest window.
Convert an audience-local window to your own posting time when you and your audience are in different regions.
See where the benchmark sources disagree before trusting a single one.
Pick the lower-risk window on contested days like Friday and Sunday.
Frequently asked questions
Is the best time to post calculator free?
Yes. Pick a day and your audience's time zone and it shows each source's recommended window instantly, no sign-up. It runs entirely in your browser.
Why does it show three different times instead of one?
Because the three most-cited benchmark sources (Hootsuite, Buffer, Sprout Social) often disagree, sometimes sharply, like Sunday where Buffer recommends 8 to 10 p.m. and Hootsuite says to avoid after 9 p.m. Showing one number would hide that. The safer pick, flagged by default, is the window with the least conflict for that day.
What does the time zone setting do?
The benchmark windows are in your audience's local time. If you post from a different region than your audience, set both time zones and the calculator converts each window to when you should post on your own clock.
Which window should I actually test first?
Start with the safer pick flagged as default, it is the lower-conflict window for that day. Then test a second source's window against your own analytics if your account shows a different pattern.
Are these times specific to Instagram Reels?
Yes, the data is Instagram-focused. TikTok and YouTube Shorts follow different patterns, so treat cross-posted content as a separate test. See the best-time-to-post guide for the platform comparison.
Want to know why your reels flop?
Reelyze watches your video frame-by-frame and tells you exactly what to fix. Every paid plan starts with a 7-day free trial.
Analyze a reel freeOr read how it works: the AI reel analyzer.
Related free tools
Read next: Best Time to Post Instagram Reels (2026)
Get the weekly reel teardown.
One short email a week. We break down a viral short-form video frame by frame, the hook, the retention curve, the edit, so you can steal what works.
No spam. Unsubscribe anytime.