diff --git a/apps/api/src/config/constants.ts b/apps/api/src/config/constants.ts
index 714d63f..49f5863 100644
--- a/apps/api/src/config/constants.ts
+++ b/apps/api/src/config/constants.ts
@@ -1 +1,3 @@
-export const DEFAULT_CACHE_TTL = 15 * 60;
+import { seconds } from 'src/utils/time';
+
+export const DEFAULT_CACHE_TTL = seconds().fromMinutes(15);
diff --git a/apps/api/src/proxy/lib/config.ts b/apps/api/src/proxy/lib/config.ts
index 280f745..c4d2143 100644
--- a/apps/api/src/proxy/lib/config.ts
+++ b/apps/api/src/proxy/lib/config.ts
@@ -1,4 +1,6 @@
+import { seconds } from 'src/utils/time';
+
 export const queryTTL: Record<string, number | false> = {
   GetLeads: false,
-  GetSystemUser: 6 * 60 * 60,
+  GetSystemUser: seconds().fromHours(12),
 };
diff --git a/apps/api/src/utils/time.ts b/apps/api/src/utils/time.ts
new file mode 100644
index 0000000..e1e34ca
--- /dev/null
+++ b/apps/api/src/utils/time.ts
@@ -0,0 +1,13 @@
+export function seconds() {
+  return {
+    fromDays(days: number) {
+      return days * 24 * 60 * 60;
+    },
+    fromHours(hours: number) {
+      return hours * 60 * 60;
+    },
+    fromMinutes(minutes: number) {
+      return minutes * 60;
+    },
+  };
+}