diff --git a/include/monotonic.h b/include/monotonic.h
index 7a69d9e4b..380e59c37 100644
--- a/include/monotonic.h
+++ b/include/monotonic.h
@@ -15,6 +15,8 @@
 
 extern int get_boot_time(struct timeval *boot_time);
 
+extern time_t get_suspended_time(void);
+
 extern int gettime_monotonic(struct timeval *tv);
 
 #endif /* UTIL_LINUX_MONOTONIC_H */
diff --git a/lib/monotonic.c b/lib/monotonic.c
index b684d8dd6..f0aeba682 100644
--- a/lib/monotonic.c
+++ b/lib/monotonic.c
@@ -48,6 +48,18 @@ int get_boot_time(struct timeval *boot_time)
 #endif
 }
 
+time_t get_suspended_time(void)
+{
+#if defined(CLOCK_BOOTTIME) && defined(CLOCK_MONOTONIC)
+	struct timespec boot, mono;
+
+	if (clock_gettime(CLOCK_BOOTTIME, &boot) == 0 &&
+	    clock_gettime(CLOCK_MONOTONIC, &mono) == 0)
+		return boot.tv_sec - mono.tv_sec;
+#endif
+	return 0;
+}
+
 int gettime_monotonic(struct timeval *tv)
 {
 #ifdef CLOCK_MONOTONIC
diff --git a/sys-utils/dmesg.1 b/sys-utils/dmesg.1
index 61a6ce894..6c5773a6b 100644
--- a/sys-utils/dmesg.1
+++ b/sys-utils/dmesg.1
@@ -161,6 +161,8 @@ source used for the logs is
 .B not updated after
 system
 .BR SUSPEND / RESUME .
+Timestamps are adjusted according to current delta between boottime and monotonic
+clocks, this works only for messages printed after last resume.
 .IP "\fB\-t\fR, \fB\-\-notime\fR"
 Do not print kernel's timestamps.
 .IP "\fB\-\-time\-format\fR \fIformat\fR"
diff --git a/sys-utils/dmesg.c b/sys-utils/dmesg.c
index ae1ebc74a..c78f01ca8 100644
--- a/sys-utils/dmesg.c
+++ b/sys-utils/dmesg.c
@@ -169,6 +169,7 @@ struct dmesg_control {
 	struct timeval	lasttime;	/* last printed timestamp */
 	struct tm	lasttm;		/* last localtime */
 	struct timeval	boot_time;	/* system boot time */
+	time_t		suspended_time;	/* time spent in suspeneded state */
 
 	int		action;		/* SYSLOG_ACTION_* */
 	int		method;		/* DMESG_METHOD_* */
@@ -824,7 +825,7 @@ static struct tm *record_localtime(struct dmesg_control *ctl,
 				   struct dmesg_record *rec,
 				   struct tm *tm)
 {
-	time_t t = ctl->boot_time.tv_sec + rec->tv.tv_sec;
+	time_t t = ctl->boot_time.tv_sec + ctl->suspended_time + rec->tv.tv_sec;
 	return localtime_r(&t, tm);
 }
 
@@ -852,7 +853,7 @@ static char *iso_8601_time(struct dmesg_control *ctl, struct dmesg_record *rec,
 			   char *buf, size_t bufsz)
 {
 	struct timeval tv = {
-		.tv_sec = ctl->boot_time.tv_sec + rec->tv.tv_sec,
+		.tv_sec = ctl->boot_time.tv_sec + ctl->suspended_time + rec->tv.tv_sec,
 		.tv_usec = rec->tv.tv_usec
 	};
 
@@ -1301,8 +1302,16 @@ static inline int dmesg_get_boot_time(struct timeval *tv)
 
 	return get_boot_time(tv);
 }
+
+static inline time_t dmesg_get_suspended_time(void)
+{
+	if (getenv("DMESG_TEST_BOOTIME"))
+		return 0;
+	return get_suspended_time();
+}
 #else
 # define dmesg_get_boot_time	get_boot_time
+# define dmesg_get_suspended_time	get_suspended_time
 #endif
 
 int main(int argc, char *argv[])
@@ -1499,9 +1508,12 @@ int main(int argc, char *argv[])
 
 	if ((is_timefmt(&ctl, RELTIME) ||
 	     is_timefmt(&ctl, CTIME)   ||
-	     is_timefmt(&ctl, ISO8601))
-	    && dmesg_get_boot_time(&ctl.boot_time) != 0)
-		ctl.time_fmt = DMESG_TIMEFTM_NONE;
+	     is_timefmt(&ctl, ISO8601))) {
+		if (dmesg_get_boot_time(&ctl.boot_time) != 0)
+			ctl.time_fmt = DMESG_TIMEFTM_NONE;
+		else
+			ctl.suspended_time = dmesg_get_suspended_time();
+	}
 
 	if (delta)
 		switch (ctl.time_fmt) {