Hola mundo
=== HORA PHP ===
PHP date(): 2026-09-16 18:07:53
PHP timezone: America/Costa_Rica
Timestamp PHP: 1789603673

=== HORA UTC SEGÚN PHP ===
UTC PHP: 2026-09-17 00:07:53

=== HORA COSTA RICA ===
Costa Rica PHP: 2026-09-16 18:07:53