Hola mundo
=== HORA PHP ===
PHP date(): 2026-09-04 09:15:20
PHP timezone: America/Costa_Rica
Timestamp PHP: 1788534920

=== HORA UTC SEGÚN PHP ===
UTC PHP: 2026-09-04 15:15:20

=== HORA COSTA RICA ===
Costa Rica PHP: 2026-09-04 09:15:20