An HTTPS connection is made to https://time.grapheneos.org/ to update the time from the date header field. This is a full replacement of Android's standard network time update implementation, which uses the cellular network - when available with a fallback to SNTP when it's not available. This can be - disabled with the toggle at Settings ➔ System ➔ Date & time ➔ Use - network-provided time. The time zone is still obtained directly via the time - zone provided by the mobile network when available.
+ when available with a fallback to SNTP when it's not available. + +Network time can be disabled with the toggle at Settings ➔ System ➔ Date + & time ➔ Use network-provided time. Unlike AOSP or the stock OS, + GrapheneOS stops making network time connections when using network time is + disabled rather than just not setting the clock based on it. The time zone is + still obtained directly via the time zone provided by the mobile network when + available.
On devices with a Qualcomm baseband (which provides GPS), when location