diff --git a/.changeset/clever-parrots-sniff.md b/.changeset/clever-parrots-sniff.md
new file mode 100644
index 000000000..802a9597e
--- /dev/null
+++ b/.changeset/clever-parrots-sniff.md
@@ -0,0 +1,5 @@
+---
+'@lion/ui': patch
+---
+
+don't set unparseable for negative timezones