Hola mundo
=== HORA PHP ===
PHP date(): 2026-09-07 21:13:18
PHP timezone: America/Costa_Rica
Timestamp PHP: 1788837198

=== HORA UTC SEGÚN PHP ===
UTC PHP: 2026-09-08 03:13:18

=== HORA COSTA RICA ===
Costa Rica PHP: 2026-09-07 21:13:18