# HG changeset patch
# User Igor Sysoev <igor@sysoev.ru>
# Date 1240168129 0
# Node ID 9fd2f12fee0a40353a1a3b3871762f65789bef33
# Parent  53be1d485af9ebed32c75a367d9cee07f2e33e58
fix Win32 ngx_gettimezone()

diff --git a/src/os/win32/ngx_time.c b/src/os/win32/ngx_time.c
--- a/src/os/win32/ngx_time.c
+++ b/src/os/win32/ngx_time.c
@@ -60,11 +60,23 @@ ngx_libc_gmtime(time_t s, struct tm *tm)
 ngx_int_t
 ngx_gettimezone(void)
 {
+    u_long                 n;
     TIME_ZONE_INFORMATION  tz;
 
-    if (GetTimeZoneInformation(&tz) != TIME_ZONE_ID_INVALID) {
+    n = GetTimeZoneInformation(&tz);
+
+    switch (n) {
+
+    case TIME_ZONE_ID_UNKNOWN:
         return -tz.Bias;
+
+    case TIME_ZONE_ID_STANDARD:
+        return -(tz.Bias + tz.StandardBias);
+
+    case TIME_ZONE_ID_DAYLIGHT:
+        return -(tz.Bias + tz.DaylightBias);
+
+    default: /* TIME_ZONE_ID_INVALID */
+        return 0;
     }
-
-    return 0;
 }