STM32 RTC Programming Guide with HAL Library for F103 and F407
Time Fundamentals
Unix Timestamps
A Unix timestamp is the total number of seconds elapsed since 00:00:00 UTC on January 1, 1970, ignoring leap seconds. It is stored as a 32-bit or 64-bit integer. All time zones use the same timestamp value, with local time calculated by adding a timezone offset.
UTC/GMT
GMT (Greenwich Mean Time) is a timekeepin ...
Posted on Fri, 08 May 2026 08:49:02 +0000 by iHack