Hola mundo
=== HORA PHP ===
PHP date(): 2026-09-18 17:35:51
PHP timezone: America/Costa_Rica
Timestamp PHP: 1789774551

=== HORA UTC SEGÚN PHP ===
UTC PHP: 2026-09-18 23:35:51

=== HORA COSTA RICA ===
Costa Rica PHP: 2026-09-18 17:35:51