diff --git a/metrics.go b/metrics.go
index 2d0923d..ad70eb1 100644
--- a/metrics.go
+++ b/metrics.go
@@ -7,7 +7,6 @@ import (
 	"html/template"
 	"io/ioutil"
 	"log"
-	"math"
 	"net/http"
 	"os"
 	"strconv"
@@ -403,7 +402,7 @@ func CalcDaysUntil(mydate string) int {
 	if err != nil {
 		days = 0
 	}
-	days = int(math.Round((t.Sub(time.Now()).Hours() / 24) + 0.5))
+	days = int(t.Sub(time.Now().Truncate(24*time.Hour)).Hours() / 24)
 
 	return days
 }