Best Time to Post Calculator

How it works

Every platform has windows when its audience is most active and its algorithm is most likely to reward a fresh post. This calculator maps those windows for each network, reads your device's local time, and tells you the next one coming up. It's built on the same optimal-time data that powers SheepHerder's posting calendar — the difference is that the app turns it into a personalized schedule across all your platforms and reminds you when to post.

Timing amplifies good content; it doesn't replace it. Pair your best window with a strong hook and consistent cadence for the biggest lift.

Best time to post, by platform

Want the full day-by-day heatmap and a breakdown of how each algorithm ranks content in 2026? Dive into any platform:

Frequently asked questions

Is this best-time-to-post calculator really free?

Yes — it's completely free and requires no sign-up. Pick a platform and it shows your next recommended posting window in your local time, right away.

How does the calculator know my best time to post?

It uses the same optimal-posting-time data that powers SheepHerder's in-app calendar — recommended windows for each platform by day and hour — and reads your device's local time to surface the next upcoming window. The times are directional best-windows; inside the app they're further tailored to your specific audience.

What time zone are the results in?

Your own. The calculator reads your browser's local time zone and shows every window in it, so there's no manual conversion to do.

Which platforms does it cover?

TikTok, Instagram, YouTube, YouTube Shorts, X (Twitter), LinkedIn, Facebook, Threads, Pinterest and Bluesky.