diff --git a/pkg/components/gtime/gtime.go b/pkg/components/gtime/gtime.go
index 444e6cc388e..22e6eefb847 100644
--- a/pkg/components/gtime/gtime.go
+++ b/pkg/components/gtime/gtime.go
@@ -10,7 +10,7 @@ import (
 var dateUnitPattern = regexp.MustCompile(`^(\d+)([dwMy])$`)
 
 // ParseInterval parses an interval with support for all units that Grafana uses.
-// An interval is relative the current wall time.
+// An interval is relative to the current wall time.
 func ParseInterval(inp string) (time.Duration, error) {
 	dur, period, err := parse(inp)
 	if err != nil {
@@ -22,16 +22,18 @@ func ParseInterval(inp string) (time.Duration, error) {
 
 	num := int(dur)
 
-	now := time.Now()
+	// Use UTC to ensure that the interval is deterministic, and daylight saving
+	// doesn't cause surprises
+	now := time.Now().UTC()
 	switch period {
 	case "d":
-		return now.Sub(now.AddDate(0, 0, -num)), nil
+		return now.AddDate(0, 0, num).Sub(now), nil
 	case "w":
-		return now.Sub(now.AddDate(0, 0, -num*7)), nil
+		return now.AddDate(0, 0, num*7).Sub(now), nil
 	case "M":
-		return now.Sub(now.AddDate(0, -num, 0)), nil
+		return now.AddDate(0, num, 0).Sub(now), nil
 	case "y":
-		return now.Sub(now.AddDate(-num, 0, 0)), nil
+		return now.AddDate(num, 0, 0).Sub(now), nil
 	}
 
 	return 0, fmt.Errorf("invalid interval %q", inp)
diff --git a/pkg/components/gtime/gtime_test.go b/pkg/components/gtime/gtime_test.go
index 3b21cc334ce..074ec3d8861 100644
--- a/pkg/components/gtime/gtime_test.go
+++ b/pkg/components/gtime/gtime_test.go
@@ -10,19 +10,17 @@ import (
 )
 
 func TestParseInterval(t *testing.T) {
-	now := time.Now()
-
 	tcs := []struct {
 		inp      string
 		duration time.Duration
 		err      *regexp.Regexp
 	}{
-		{inp: "1d", duration: now.Sub(now.AddDate(0, 0, -1))},
-		{inp: "1w", duration: now.Sub(now.AddDate(0, 0, -7))},
-		{inp: "2w", duration: now.Sub(now.AddDate(0, 0, -14))},
-		{inp: "1M", duration: now.Sub(now.AddDate(0, -1, 0))},
-		{inp: "1y", duration: now.Sub(now.AddDate(-1, 0, 0))},
-		{inp: "5y", duration: now.Sub(now.AddDate(-5, 0, 0))},
+		{inp: "1d", duration: 24 * time.Hour},
+		{inp: "1w", duration: 168 * time.Hour},
+		{inp: "2w", duration: 2 * 168 * time.Hour},
+		{inp: "1M", duration: 744 * time.Hour},
+		{inp: "1y", duration: 8760 * time.Hour},
+		{inp: "5y", duration: 43824 * time.Hour},
 		{inp: "invalid-duration", err: regexp.MustCompile(`^time: invalid duration "?invalid-duration"?$`)},
 	}
 	for i, tc := range tcs {