Best Time to Post Calculator
Pick where most of your audience is based and get a generic, research-backed posting window in their local time - based on the same published studies covered on this blog. Free, no signup.
Approximate standard time zone offset - doesn't account for daylight saving shifts.
Strongest window
2:00 PM - 5:00 PM
Tuesday or Wednesday, in your audience's local time.
Avoid this window
1:00 AM - 3:00 AM
Consistently the lowest-engagement slot across the data.
Lunch-hour alternative
9:00 AM
A reasonable middle-ground slot if your audience spans multiple regions.
This is a generic, industry-wide estimate - built from published analyses of hundreds of thousands of Substack Notes, not your own posting history. Two of the studies behind this also found something more important than the exact hour: what happens in the first couple hours after you post matters more than which hour you picked. Full breakdown and sources on the blog.