diff --git a/R/get_map_data.R b/R/get_map_data.R
index feccafc..73041f1 100644
--- a/R/get_map_data.R
+++ b/R/get_map_data.R
@@ -24,7 +24,9 @@ get_map_data <- function(type) {
 
   tz <- Sys.getenv("TZ")
 
-  if (tz == "") {
+  if (testthat::is_testing() | testthat::is_snapshot() | testthat::is_checking()) {
+    Sys.setenv(TZ = "UTC")
+  } else if (tz == "") {
     Sys.setenv(TZ = "Europe/Copenhagen")
   }
 
diff --git a/tests/testthat/_snaps/get_map_data.md b/tests/testthat/_snaps/get_map_data.md
index 7f437e6..50ec457 100644
--- a/tests/testthat/_snaps/get_map_data.md
+++ b/tests/testthat/_snaps/get_map_data.md
@@ -76,16 +76,16 @@
       9                1     København                    A       Hovedstaden
       10               1     København                    A       Hovedstaden
                       ændret          geo_ændret geo_version visueltcenter_x
-      1  2024-04-24 23:01:20 2024-04-24 23:01:20           8        12.57518
-      2  2024-04-24 23:01:20 2024-04-24 23:01:20           6        12.58267
-      3  2024-04-24 23:01:20 2024-04-24 23:01:20           6        12.56874
-      4  2024-04-24 23:01:20 2024-04-24 23:01:20           7        12.56014
-      5  2024-04-24 23:01:20 2024-04-24 23:01:20           7        12.56856
-      6  2024-04-24 23:01:20 2024-04-24 23:01:20           6        12.60509
-      7  2024-04-24 23:01:20 2024-04-24 23:01:20           6        12.59872
-      8  2024-04-24 23:01:20 2024-04-24 23:01:20           7        12.56478
-      9  2024-04-29 23:01:24 2024-04-24 23:01:20           8        12.56800
-      10 2024-05-07 23:01:19 2024-04-24 23:01:20           9        12.56671
+      1  2024-04-24 21:01:20 2024-04-24 21:01:20           8        12.57518
+      2  2024-04-24 21:01:20 2024-04-24 21:01:20           6        12.58267
+      3  2024-04-24 21:01:20 2024-04-24 21:01:20           6        12.56874
+      4  2024-04-24 21:01:20 2024-04-24 21:01:20           7        12.56014
+      5  2024-04-24 21:01:20 2024-04-24 21:01:20           7        12.56856
+      6  2024-04-24 21:01:20 2024-04-24 21:01:20           6        12.60509
+      7  2024-04-24 21:01:20 2024-04-24 21:01:20           6        12.59872
+      8  2024-04-24 21:01:20 2024-04-24 21:01:20           7        12.56478
+      9  2024-04-29 21:01:24 2024-04-24 21:01:20           8        12.56800
+      10 2024-05-07 21:01:19 2024-04-24 21:01:20           9        12.56671
          visueltcenter_y                       geometry
       1         55.70476 MULTIPOLYGON (((12.56228 55...
       2         55.71087 MULTIPOLYGON (((12.56579 55...