tzutil: add page (#2549)

pages/windows/tzutil.md

@@ -0,0 +1,15 @@
+# tzutil
+
+> A tool for displaying or configuring the system time zone.
+
+- Get the current time zone:
+
+`tzutil /g`
+
+- Display a list of available time zones:
+
+`tzutil /l`
+
+- Set the system time zone to the specific value:
+
+`tzutil /s {{timezone_id}}`