diff --git a/frontend/src/utils/date.ts b/frontend/src/utils/date.ts
new file mode 100644
index 0000000..38a49b9
--- /dev/null
+++ b/frontend/src/utils/date.ts
@@ -0,0 +1,10 @@
+export type DatabaseDateValue = string | number
+
+export function parseDatabaseDate(value: DatabaseDateValue): Date {
+  if (typeof value === 'number') {
+    const timestamp = Math.abs(value) < 1_000_000_000_000 ? value * 1000 : value
+    return new Date(timestamp)
+  }
+
+  return new Date(value.replace(' ', 'T'))
+}