From 38de0fb581c0441b733786f4badfaae5832a04c2 Mon Sep 17 00:00:00 2001
From: Jack Tang <jack@taodinet.com>
Date: Mon, 11 Jan 2016 10:50:37 +0800
Subject: [PATCH] get_timezone supports binary input

---
 src/localtime.erl | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/localtime.erl b/src/localtime.erl
index c3eee0c..6a79da1 100644
--- a/src/localtime.erl
+++ b/src/localtime.erl
@@ -224,14 +224,18 @@ tr_char([H|T], From, To, Acc) ->
    end.
 
 -define(SPACE_CHAR, 32).
-get_timezone(TimeZone) ->
+get_timezone(TimeZone) when is_binary(TimeZone) ->
+    get_timezone(erlang:binary_to_list(TimeZone));
+get_timezone(TimeZone) when is_list(TimeZone) ->
    TimeZoneNoSpaces = tr_char(TimeZone, ?SPACE_CHAR, $_),
    case dict:find(TimeZoneNoSpaces, ?tz_index)  of
       error ->
          TimeZoneNoSpaces;
       {ok, [TZName | _]} ->
             TZName
-   end.
+   end;
+get_timezone(_) ->
+    throw({error, "Timezone should be string/binary"}).
 
 -ifdef(TEST).
 -include_lib("eunit/include/eunit.hrl").