[DOC] Enhanced RDoc for Time (#6255)

Treats:
    #utc
    #hash
    #localtime

2 files changed, 9 insertions, 15 deletions

diff --git a/doc/time/in.rdoc b/doc/time/in.rdoc
index 870982b0c2..33178c514a 100644
--- a/doc/time/in.rdoc
+++ b/doc/time/in.rdoc
@@ -1,7 +1,4 @@
-- <tt>in: zone</tt>: a timezone _zone_, which may be:
-  - A string offset from UTC.
-  - A single letter offset from UTC, in the range <tt>'A'..'Z'</tt>,
-    <tt>'J'</tt> excluded (the so-called military timezone).
-  - An integer number of seconds.
-  - A timezone object;
-    see {Timezone Argument}[#class-Time-label-Timezone+Argument] for details.
+- <tt>in: zone</tt>: a timezone +zone+.
+
+For forms of argument +zone+, see
+{Timezone Specifiers}[rdoc-ref:doc/timezone_specifiers.rdoc].
diff --git a/doc/time/zone_and_in.rdoc b/doc/time/zone_and_in.rdoc
index 5bdfaacd4c..2cf6564c01 100644
--- a/doc/time/zone_and_in.rdoc
+++ b/doc/time/zone_and_in.rdoc
@@ -1,8 +1,5 @@
-- +zone+: a timezone, which may be:
-  - A string offset from UTC.
-  - A single letter offset from UTC, in the range <tt>'A'..'Z'</tt>,
-    <tt>'J'</tt> excluded (the so-called military timezone).
-  - An integer number of seconds.
-  - A timezone object;
-    see {Timezone Argument}[#class-Time-label-Timezone+Argument] for details.
-- <tt>in: zone</tt>: a timezone _zone_, which may be as above.
+- +zone+: a timezone +zone+.
+- <tt>in: zone</tt>: a timezone +zone+.
+
+For forms of +zone+, see
+{Timezone Specifiers}[rdoc-ref:doc/timezone_specifiers.rdoc].