diff --git a/ext/date/php_date.c b/ext/date/php_date.c
index dc9eb995b8f65..1f49a7f0e0bf4 100644
--- a/ext/date/php_date.c
+++ b/ext/date/php_date.c
@@ -5140,6 +5140,9 @@ static void php_do_date_sunrise_sunset(INTERNAL_FUNCTION_PARAMETERS, bool calc_s
 	if (N > 24 || N < 0) {
 		N -= floor(N / 24) * 24;
 	}
+	if (N > 24 || N < 0) {
+		RETURN_FALSE;
+	}
 
 	switch (retformat) {
 		case SUNFUNCS_RET_STRING:
diff --git a/ext/date/tests/gh16454.phpt b/ext/date/tests/gh16454.phpt
new file mode 100644
index 0000000000000..3d57276ddf5d3
--- /dev/null
+++ b/ext/date/tests/gh16454.phpt
@@ -0,0 +1,21 @@
+--TEST--
+GH-16454 (Unhandled INF in date_sunset() with tiny $utcOffset)
+--FILE--
+<?php
+var_dump(date_sunrise(0, SUNFUNCS_RET_STRING, 61, -150, 90, PHP_FLOAT_MAX));
+var_dump(date_sunrise(0, SUNFUNCS_RET_STRING, 61, -150, 90, -PHP_FLOAT_MAX));
+var_dump(date_sunset(0, SUNFUNCS_RET_STRING, 61, -150, 90, PHP_FLOAT_MAX));
+var_dump(date_sunset(0, SUNFUNCS_RET_STRING, 61, -150, 90, -PHP_FLOAT_MAX));
+?>
+--EXPECTF--
+Deprecated: Function date_sunrise() is deprecated in %s on line %d
+bool(false)
+
+Deprecated: Function date_sunrise() is deprecated in %s on line %d
+bool(false)
+
+Deprecated: Function date_sunset() is deprecated in %s on line %d
+bool(false)
+
+Deprecated: Function date_sunset() is deprecated in %s on line %d
+bool(false)