diff --git a/src/bin/psql/command.c b/src/bin/psql/command.c
index 3f2cebf..1e6686f 100644
--- a/src/bin/psql/command.c
+++ b/src/bin/psql/command.c
@@ -1516,12 +1516,23 @@ exec_command(const char *cmd,
 												 OT_NORMAL, NULL, false);
 
 		if (opt)
-			pset.timing = ParseVariableBool(opt, "\\timing");
+			if (strcmp(opt,"interval") == 0)
+				pset.timing = PSQL_TIMING_INTERVAL;
+			else if (ParseVariableBool(opt, "\\timing"))
+				pset.timing = PSQL_TIMING_ON;
+			else
+				pset.timing = PSQL_TIMING_OFF;
 		else
-			pset.timing = !pset.timing;
+			if (pset.timing == PSQL_TIMING_OFF)
+				pset.timing = PSQL_TIMING_ON;
+			else
+				pset.timing = PSQL_TIMING_OFF;
+
 		if (!pset.quiet)
 		{
-			if (pset.timing)
+			if (pset.timing == PSQL_TIMING_INTERVAL)
+				puts(_("Timing is interval."));
+			else if (pset.timing == PSQL_TIMING_ON)
 				puts(_("Timing is on."));
 			else
 				puts(_("Timing is off."));
diff --git a/src/bin/psql/common.c b/src/bin/psql/common.c
index 2450b9c..c79843f 100644
--- a/src/bin/psql/common.c
+++ b/src/bin/psql/common.c
@@ -587,6 +587,47 @@ PSQLexec(const char *query)
 	return res;
 }
 
+/*
+ * PrintTimingInterval
+ *
+ * Output timing an interval format
+ */
+static void
+PrintTimingInterval(double elapsed_msec)
+{
+	double seconds = elapsed_msec / 1000.0;
+	int minutes;
+	int hours;
+	int days;
+
+	if (seconds < 60.0)
+	{
+		printf(_("Time: 00:00:%06.3f\n"), seconds);
+		return;
+	}
+
+	minutes = (int)seconds / 60;
+	seconds = seconds - (60.0 * minutes);
+	if (minutes < 60)
+	{
+		printf(_("Time: 00:%02d:%06.3f\n"), minutes, seconds);
+		return;
+	}
+
+	hours = minutes / 60;
+	minutes = minutes % 60;
+
+	if (hours < 24)
+	{
+		printf(_("Time: %2d:%02d:%06.3f\n"), hours, minutes, seconds);
+		return;
+	}
+
+	days = hours / 24;
+	hours = hours % 24;
+
+	printf(_("Time: %d, %2d:%02d:%06.3f\n"), days, hours, minutes, seconds);
+}
 
 /*
  * PSQLexecWatch
@@ -613,7 +654,7 @@ PSQLexecWatch(const char *query, const printQueryOpt *opt)
 
 	SetCancelConn();
 
-	if (pset.timing)
+	if (pset.timing != PSQL_TIMING_OFF)
 		INSTR_TIME_SET_CURRENT(before);
 
 	res = PQexec(pset.db, query);
@@ -626,7 +667,7 @@ PSQLexecWatch(const char *query, const printQueryOpt *opt)
 		return 0;
 	}
 
-	if (pset.timing)
+	if (pset.timing != PSQL_TIMING_OFF)
 	{
 		INSTR_TIME_SET_CURRENT(after);
 		INSTR_TIME_SUBTRACT(after, before);
@@ -677,7 +718,9 @@ PSQLexecWatch(const char *query, const printQueryOpt *opt)
 	fflush(pset.queryFout);
 
 	/* Possible microtiming output */
-	if (pset.timing)
+	if (pset.timing == PSQL_TIMING_INTERVAL)
+		PrintTimingInterval(elapsed_msec);
+	else if (pset.timing == PSQL_TIMING_ON)
 		printf(_("Time: %.3f ms\n"), elapsed_msec);
 
 	return 1;
@@ -1228,7 +1271,7 @@ SendQuery(const char *query)
 		instr_time	before,
 					after;
 
-		if (pset.timing)
+		if (pset.timing != PSQL_TIMING_OFF)
 			INSTR_TIME_SET_CURRENT(before);
 
 		results = PQexec(pset.db, query);
@@ -1237,7 +1280,7 @@ SendQuery(const char *query)
 		ResetCancelConn();
 		OK = ProcessResult(&results);
 
-		if (pset.timing)
+		if (pset.timing != PSQL_TIMING_OFF)
 		{
 			INSTR_TIME_SET_CURRENT(after);
 			INSTR_TIME_SUBTRACT(after, before);
@@ -1327,7 +1370,9 @@ SendQuery(const char *query)
 	ClearOrSaveResult(results);
 
 	/* Possible microtiming output */
-	if (pset.timing)
+	if (pset.timing == PSQL_TIMING_INTERVAL)
+		PrintTimingInterval(elapsed_msec);
+	else if (pset.timing == PSQL_TIMING_ON)
 		printf(_("Time: %.3f ms\n"), elapsed_msec);
 
 	/* check for events that may occur during query execution */
@@ -1412,7 +1457,7 @@ ExecQueryUsingCursor(const char *query, double *elapsed_msec)
 	my_popt.topt.stop_table = false;
 	my_popt.topt.prior_records = 0;
 
-	if (pset.timing)
+	if (pset.timing != PSQL_TIMING_OFF)
 		INSTR_TIME_SET_CURRENT(before);
 
 	/* if we're not in a transaction, start one */
@@ -1440,7 +1485,7 @@ ExecQueryUsingCursor(const char *query, double *elapsed_msec)
 	if (!OK)
 		goto cleanup;
 
-	if (pset.timing)
+	if (pset.timing != PSQL_TIMING_OFF)
 	{
 		INSTR_TIME_SET_CURRENT(after);
 		INSTR_TIME_SUBTRACT(after, before);
@@ -1482,13 +1527,13 @@ ExecQueryUsingCursor(const char *query, double *elapsed_msec)
 
 	for (;;)
 	{
-		if (pset.timing)
+		if (pset.timing != PSQL_TIMING_OFF)
 			INSTR_TIME_SET_CURRENT(before);
 
 		/* get fetch_count tuples at a time */
 		results = PQexec(pset.db, fetch_cmd);
 
-		if (pset.timing)
+		if (pset.timing != PSQL_TIMING_OFF)
 		{
 			INSTR_TIME_SET_CURRENT(after);
 			INSTR_TIME_SUBTRACT(after, before);
@@ -1583,7 +1628,7 @@ ExecQueryUsingCursor(const char *query, double *elapsed_msec)
 	}
 
 cleanup:
-	if (pset.timing)
+	if (pset.timing != PSQL_TIMING_OFF)
 		INSTR_TIME_SET_CURRENT(before);
 
 	/*
@@ -1609,7 +1654,7 @@ cleanup:
 		ClearOrSaveResult(results);
 	}
 
-	if (pset.timing)
+	if (pset.timing != PSQL_TIMING_OFF)
 	{
 		INSTR_TIME_SET_CURRENT(after);
 		INSTR_TIME_SUBTRACT(after, before);
diff --git a/src/bin/psql/help.c b/src/bin/psql/help.c
index 9e6d67b..1e2a229 100644
--- a/src/bin/psql/help.c
+++ b/src/bin/psql/help.c
@@ -45,6 +45,7 @@
  */
 #define ON(var) (var ? _("on") : _("off"))
 
+
 void
 usage(unsigned short int pager)
 {
@@ -288,8 +289,8 @@ slashUsage(unsigned short int pager)
 	fprintf(output, _("Operating System\n"));
 	fprintf(output, _("  \\cd [DIR]              change the current working directory\n"));
 	fprintf(output, _("  \\setenv NAME [VALUE]   set or unset environment variable\n"));
-	fprintf(output, _("  \\timing [on|off]       toggle timing of commands (currently %s)\n"),
-			ON(pset.timing));
+	fprintf(output, _("  \\timing [on|off|interval]       toggle timing of commands (currently %s)\n"),
+			( (pset.timing == PSQL_TIMING_INTERVAL) ? _("interval") : ON(pset.timing)));
 	fprintf(output, _("  \\! [COMMAND]           execute command in shell or start interactive shell\n"));
 	fprintf(output, "\n");
 
diff --git a/src/bin/psql/settings.h b/src/bin/psql/settings.h
index 8cfe9d2..cc4e5eb 100644
--- a/src/bin/psql/settings.h
+++ b/src/bin/psql/settings.h
@@ -64,6 +64,13 @@ typedef enum
 
 typedef enum
 {
+	PSQL_TIMING_OFF,
+	PSQL_TIMING_ON,
+	PSQL_TIMING_INTERVAL
+} PSQL_TIMING;
+
+typedef enum
+{
 	hctl_none = 0,
 	hctl_ignorespace = 1,
 	hctl_ignoredups = 2,
@@ -108,7 +115,7 @@ typedef struct _psqlSettings
 	uint64		lineno;			/* also for error reporting */
 	uint64		stmt_lineno;	/* line number inside the current statement */
 
-	bool		timing;			/* enable timing of all queries */
+	PSQL_TIMING timing; 		/* enable timing of all queries */
 
 	FILE	   *logfile;		/* session log file handle */