The box: None. Checked: n/a. Unchecked: 14 days. The cookie that says you're logged in lasts 365 days. The session lasts 14.
Measured October 16, 2026 in a Chromium-based browser, by signing in to GitHub and reading the sign-in cookie's expiry. This is what the browser was told; GitHub's servers can still end a session sooner.
We retest every month. If GitHub changes how long it remembers you, a new row shows up here.
| Date | The box | Checked | Unchecked | Finding | Browser |
|---|---|---|---|---|---|
| October 16, 2026 | None | n/a | 14 days | The cookie that says you're logged in lasts 365 days. The session lasts 14. | Chromium |