Hola mundo
=== HORA PHP ===
PHP date(): 2026-09-22 18:34:44
PHP timezone: America/Costa_Rica
Timestamp PHP: 1790123684

=== HORA UTC SEGÚN PHP ===
UTC PHP: 2026-09-23 00:34:44

=== HORA COSTA RICA ===
Costa Rica PHP: 2026-09-22 18:34:44