Hola mundo
=== HORA PHP ===
PHP date(): 2026-09-12 10:15:54
PHP timezone: America/Costa_Rica
Timestamp PHP: 1789229754

=== HORA UTC SEGÚN PHP ===
UTC PHP: 2026-09-12 16:15:54

=== HORA COSTA RICA ===
Costa Rica PHP: 2026-09-12 10:15:54