Sorry, no. It's not something documented other than a cryptic comment in the source code ( FPlatformTime::Seconds() ) assuming some knowledge of floating point

Sorry, no. It's not something documented other than a cryptic comment in the source code ( FPlatformTime::Seconds() ) assuming some knowledge of floating point number gotchas. Edit: Here's a more detailed post o made about the specific gotcha if you're interested: https://community.gamedev.tv/t/why-is-fplatformtime-seconds-already-past-6-months/9701 https://community.gamedev.tv/t/why-is-fplatformtime-seconds-...