diff --git a/ext/date/php_date.c b/ext/date/php_date.c
index 69daddf6ba2..d24ae126ea2 100644
--- a/ext/date/php_date.c
+++ b/ext/date/php_date.c
@@ -5516,6 +5516,9 @@ 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 00000000000..e3a35a1ba19
--- /dev/null
+++ b/ext/date/tests/gh16454.phpt
@@ -0,0 +1,29 @@
+--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: Constant SUNFUNCS_RET_STRING is deprecated in %s on line %d
+
+Deprecated: Function date_sunrise() is deprecated since 8.1, use date_sun_info() instead in %s on line %d
+bool(false)
+
+Deprecated: Constant SUNFUNCS_RET_STRING is deprecated in %s on line %d
+
+Deprecated: Function date_sunrise() is deprecated since 8.1, use date_sun_info() instead in %s on line %d
+bool(false)
+
+Deprecated: Constant SUNFUNCS_RET_STRING is deprecated in %s on line %d
+
+Deprecated: Function date_sunset() is deprecated since 8.1, use date_sun_info() instead in %s on line %d
+bool(false)
+
+Deprecated: Constant SUNFUNCS_RET_STRING is deprecated in %s on line %d
+
+Deprecated: Function date_sunset() is deprecated since 8.1, use date_sun_info() instead in %s on line %d
+bool(false)