Hola mundo
=== HORA PHP ===
PHP date(): 2026-09-04 21:28:56
PHP timezone: America/Costa_Rica
Timestamp PHP: 1788578936

=== HORA UTC SEGÚN PHP ===
UTC PHP: 2026-09-05 03:28:56

=== HORA COSTA RICA ===
Costa Rica PHP: 2026-09-04 21:28:56