Is this based on real per-country research?

No, and it does not claim to be. Neither Buffer’s nor Sprout Social’s 2026 study breaks its results down by country. This tool takes their existing, sourced windows and does time-zone math on them; it does not invent country-specific hours.

What time zone are the published best-time windows in?

The audience’s local time. Sprout Social’s 2026 study states that all times are recorded in local time rather than tied to one hub, so 9am is 9am in Los Angeles, London and Sydney alike, and Buffer’s per-platform studies say the same and add that no conversion is needed (both read 23 September 2026). That is why this tool does not shift the window for your audience.

So what does the tool actually convert?

Only the view from your own clock. If you work in London and post to an audience in Tokyo, the study’s window is in Tokyo time; the tool shows you what that reads as in London time so you can set the schedule correctly.

Does this account for daylight saving?

Yes, for today’s date. The conversion resolves the real offset between the two zones today, so a country that observes daylight saving on different dates from yours, or not at all, still converts correctly. If a clock change falls between today and your post date, re-check the result.

What if my audience spans multiple time zones?

Pick the zone closest to most of your audience. A country with several zones, or a global audience, has no single best local hour, so choose an anchor zone deliberately or test more than one window.

Why does a window sometimes cross midnight, or land on another day?

Because a window that sits comfortably within a day for your audience can land across midnight on your clock once shifted by a large time-zone offset. The tool flags a midnight crossing and a change of day rather than showing a confusing range silently.

Should I trust this over my own account’s data?

No. The windows are averages across many accounts, so treat them as a starting point and switch to your own account’s activity data as soon as you have enough of it.

Free tool

Best time to post on social media by country

The two large 2026 best-time studies, Buffer’s and Sprout Social’s, both give their windows in the audience’s local time: 9am means 9am wherever the audience is, so the window is not shifted for a different country. This tool answers the part that is left. If you schedule from one time zone to an audience in another, it shows the audience-local window on your own clock, using real, DST-aware calculation. It is time-zone arithmetic on an existing, already-sourced benchmark, not new per-country research.

Platform

Your audience’s country / time zone

Your own time zone (where you schedule from)

Both large 2026 studies (Buffer and Sprout Social) give their best-time windows in the audience’s local time: 9am means 9am wherever the audience is, so the window itself is not shifted for your audience. This tool only translates that audience-local window onto your own clock, with real, DST-aware math, for when you schedule from a different zone. It is not new per-country research.

Instagram for an audience in New York

Choose a platform and time zones to see the window.

How the conversion works

Pick your platform. Choose the platform you are scheduling for; each one carries its own benchmark window from the main best-time-to-post cheat sheet.
Pick your audience’s country or time zone. Select the time zone your audience is mostly in. The published window applies as local time there, so this is where the study’s hours are read.
Pick your own time zone. Select the zone you schedule from, if it differs from your audience’s.
Read the window on your clock. The tool shows the audience-local window as a clock time in your zone, using the real offset between the two zones and accounting for daylight saving on both sides, and says when it lands on the previous or next day.
Confirm with your own data. Once you have a few weeks of your own posts, compare their performance against the window and adjust toward what actually works.

Worked examples

Scheduling X for a Tokyo audience from New York

Buffer’s X study favours 9 to 11am. For a Tokyo audience that is 9 to 11am Tokyo time, so you would schedule it for 8pm to 10pm the previous evening on a New York clock during Eastern Daylight Time (a 13-hour difference). The window itself has not moved for the audience; only the clock you read it on has.

Why the same window reads differently in January and July

Because the US observes daylight saving and many other countries do not (or change on different dates), the gap between two zones can shift by an hour between winter and summer, so the same audience-local window can land an hour differently on your clock.