Add time fix when Windows is clashing with Linux

Guides/os.md

@@ -88,3 +88,13 @@ Compiled files (`*.a` or `*.so`, commonly generated through a buil system like `
 If your static lib is named `libhello.a`, you link with the compiler flag `-lhello`.
 
 For instance, `libbox2d.a` is linked with the flag `-lbox2d`.
+
+## Windows and Linux
+
+### Time clash
+
+#### Use same time as windows
+timedatectl set-local-rtc 1 --adjust-system-clock
+
+#### Revert
+timedatectl set-local-rtc 0 --adjust-system-clock