diff --git a/share/completion/cal b/share/completion/cal
new file mode 100644
index 00000000..67ff4d2c
--- /dev/null
+++ b/share/completion/cal
@@ -0,0 +1,39 @@
+# (C) 2025 unrealapex
+
+# Completion script for cal
+
+function completion/cal {
+
+        typeset OPTIONS ARGOPT PREFIX
+        OPTIONS=( #>#
+        "l; turn off highlighting of today"
+        "J; display Julian Calendar"
+        "e; display date of Easter"
+        "j; display Julian days"
+        "M; display monday as the first day of the week"
+        "m:; display the specified *month*"
+        "o; display the date of Orthodox Easter"
+        "p; print the country codes and switching days from Julian to Gregorian Calendar"
+        "s; assume the switch from Julian to Gregorian Calendar at the date associated with *country_code*"
+        "w; print the number of the week below each week column"
+        "y; display a calendar for the specified *year*"
+        "3; display the previous, current, and next month"
+        "A; display the number of *months* after the current month"
+        "B; display the number of *months* before the current month"
+        "C; switch to cal mode"
+        "N; switch to ncal mode"
+        "d; use *yyyy-mm* as the current date (for debugging)"
+        "H; use *yyyy-mm-dd* as the current date (for debugging)"
+        ) #<#
+
+        command -f completion//parseoptions -es
+        case $ARGOPT in
+        (-)
+                command -f completion//completeoptions
+                ;;
+        esac
+
+}
+
+
+# vim: set ft=sh ts=8 sts=8 sw=8 et:
diff --git a/share/completion/ncal b/share/completion/ncal
new file mode 100644
index 00000000..57a82978
--- /dev/null
+++ b/share/completion/ncal
@@ -0,0 +1,10 @@
+# (C) 2025 magicant unrealapex
+
+# Completion script for the "ncal" command.
+
+function completion/ncal {
+		command -f completion//reexecute cal
+}
+
+
+# vim: set ft=sh ts=8 sts=8 sw=8 et: