X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=src%2Frrd_graph.c;h=8935d4ee4277adadb936484e813f75fc3f44639e;hp=799e682268cc314cfd1ddb8f895e98419d1123a5;hb=27243283382f438f1c03d792a51c3db1c80e3517;hpb=3a74c2966e2e8b15d3a3780f98ccd44a5be4f751

diff --git a/src/rrd_graph.c b/src/rrd_graph.c
index 799e682..8935d4e 100644
--- a/src/rrd_graph.c
+++ b/src/rrd_graph.c
@@ -1426,6 +1426,8 @@ time_t find_first_time(
     struct tm tm;
 
     localtime_r(&start, &tm);
+    /* let mktime figure this dst on its own */
+    tm.tm_isdst = -1;
 
     switch (baseint) {
     case TMT_SECOND:
@@ -1494,6 +1496,8 @@ time_t find_next_time(
     time_t    madetime;
 
     localtime_r(&current, &tm);
+    /* let mktime figure this dst on its own */
+    tm.tm_isdst = -1;
 
     int limit = 2;
     switch (baseint) {