Hola mundo
=== HORA PHP ===
PHP date(): 2026-09-20 22:21:07
PHP timezone: America/Costa_Rica
Timestamp PHP: 1789964467

=== HORA UTC SEGÚN PHP ===
UTC PHP: 2026-09-21 04:21:07

=== HORA COSTA RICA ===
Costa Rica PHP: 2026-09-20 22:21:07