diff --git a/bin/date/date.1 b/bin/date/date.1
index d85fda762e6..7323a73099d 100644
--- a/bin/date/date.1
+++ b/bin/date/date.1
@@ -168,7 +168,7 @@ Flags are processed in the order given.
 When setting values
 (rather than adjusting them),
 seconds are in the range 0-59, minutes are in the range 0-59, hours are
-in the range 1-12, month days are in the range 1-31, week days are in the
+in the range 0-23, month days are in the range 1-31, week days are in the
 range 0-6 (Sun-Sat),
 months are in the range 1-12 (Jan-Dec)
 and years are in the range 80-38 or 1980-2038.