Hola mundo
=== HORA PHP ===
PHP date(): 2026-09-04 19:28:18
PHP timezone: America/Costa_Rica
Timestamp PHP: 1788571698

=== HORA UTC SEGÚN PHP ===
UTC PHP: 2026-09-05 01:28:18

=== HORA COSTA RICA ===
Costa Rica PHP: 2026-09-04 19:28:18